Which of the following is the most toxic gas...?

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Which of the following is the most toxic gas...?

(A) Carbon dioxide

(B) Carbon monoxide

(C) Nitrogen

(D) Hydrogen

✅ Correct Answer: Carbon monoxide

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Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

What happens when you put sand, salt and sawdust in glass of water...?

(A) Salt has dissolved in water

(B) Sand sank to the bottom

(C) Sawdust floated on the top

(D) All of these

✅ Correct Answer: All of these

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Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

Which gas is responsible for fermentation...?

(A) Carbon Dioxide

(B) Nitrogen

(C) Oxygen

(D) None

✅ Correct Answer: Carbon Dioxide

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Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

The antiparticle of an electronic is _______...?

(A) Positron

(B) Proton

(C) Alpha particular

(D) None of these

✅ Correct Answer: Positron

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Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

When an acid reacts with a metal, which one of the following gas is usually liberated...?

(A) Ammonia Gas

(B) Chlorine

(C) Oxygen

(D) Hydrogen gas

✅ Correct Answer: Hydrogen gas

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Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

In the manufacture of Vanaspati Ghee/Banaspati Ghee which gas is used ...?

(A) Hydrogen

(B) Oxygen

(C) Nitrogen

(D) Carbon dioxide

✅ Correct Answer: Hydrogen

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Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

The subatomic particles arriving from outer space having high energy are called...?

(A) Protons

(B) Electrons

(C) Cosmic rays

(D) None of the above

✅ Correct Answer: Cosmic rays

Comments

Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

Carbon dioxide was discovered by_______...?

(A) Niels Bohr

(B) Amedeo Avogadro

(C) Joseph Black

(D) None of Above

✅ Correct Answer: Joseph Black

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Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

As comets get close to the sun, they start to “melt” and release gas and dust. This gas and dust forms what...?

(A) “coma” around the comet’s nucleus and a long tail that points away from the sun

(B) “coma” that points away from the sun and a long tail around the comet’s nucleus

(C) Only “coma” around the comet’s nucleus

(D) Only a long tail that points away from the sun

✅ Correct Answer: “coma” around the comet’s nucleus and a long tail that points away from the sun

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Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

Matter changes state from solid to liquid and from liquid to gases, when it...?

(A) Loses energy

(B) Gains energy

(C) Remains same energy

(D) Has constant temperature

✅ Correct Answer: Gains energy

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Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

Sound travel faster in solid as compare to gases because of ______...?

(A) Gas molecules are packed loosely

(B) Sound does not travel faster through a solid than a gas

(C) Solid molecules are packed tightly

(D) Gas molecules move faster

✅ Correct Answer: Solid molecules are packed tightly

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Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

During global warming, the percentage of carbon dioxide has ______...?

(A) Remained unchanged

(B) Reduced in atmosphere

(C) Increased in atmosphere

(D) None of these

✅ Correct Answer: Increased in atmosphere

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Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

The amount of heat needed to convert a substance from liquid to gas is called...?

(A) Heat of vaporization

(B) Specific heat

(C) Latent heat of fusion

(D) All

✅ Correct Answer: Heat of vaporization

Comments

Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

Which Gas is used in the preparation of Soft drinks...?

(A) Oxygen

(B) Carbon dioxide

(C) Nitrogen

(D) Halogen

✅ Correct Answer: Carbon dioxide

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Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

The toxicity of which of the following heavy metals leads to Liver cirrhosis...?

(A) Copper

(B) Lead

(C) Mercury

(D) Zinc

✅ Correct Answer: Copper

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Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

During the process, more water will also evaporate and convert to a gaseous state of water called the...?

(A) Water Liquid

(B) Water Solid

(C) Water Vapour

(D) Water Ice

✅ Correct Answer: Water Vapour

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Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

Liquid can be converted into gas by...?

(A) Cooling

(B) Heating

(C) Both A and B

(D) None

✅ Correct Answer: Heating

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Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

Which metal is non toxic in nature...?

(A) Silver

(B) Iron

(C) Copper

(D) Gold

✅ Correct Answer: Gold

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Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

Which of the following gas mainly responsible for ozone layer depletion...?

(A) Chlorofluorocarbon

(B) CO2

(C) Nitrogen oxide

(D) Sulphur dioxide

✅ Correct Answer: Chlorofluorocarbon

Comments

Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

Which is not the property of gases...?

(A) Gases have definite volume

(B) Gases have Indefinite shape

(C) Gases have Indefinite volume

(D) Gases can be compressed

✅ Correct Answer: Gases have definite volume

Comments

Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

Mostly which gases found of the planet Jupiter...?

(A) Hydrogen

(B) Chlorine

(C) Hydrogen and Helium

(D) Neon

✅ Correct Answer: Hydrogen and Helium

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Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

Which of the following gas diffuses fastest...?

(A) Hydrogen

(B) Chlorine

(C) Fluorine

(D) Helium

✅ Correct Answer: Hydrogen

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Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

Which law states that the volume of a given amount of gas held at constant pressure is directly proportional to the Kelvin temperature...?

(A) Charles’ Law

(B) Avogadro’s Law

(C) Graham’s Law

(D) Boyle’s law

✅ Correct Answer: Charles’ Law

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Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

In the human body, the lungs remove which gas from the blood...?

(A) Nitrogen

(B) Hydrogen

(C) Carbon Dioxide

(D) Argon

✅ Correct Answer: Carbon Dioxide

Comments

Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

Atomic mass of an element is equal to ______...?

(A) Mass of protons and neutrons

(B) Mass of protons and electrons

(C) Mass of electrons and neutrons

(D) Mass of protons only

✅ Correct Answer: Mass of protons and neutrons

Comments

Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

Which rays are trapped in our galaxy by magnetic waves...?

(A) Alpha rays

(B) Gamma rays

(C) Cosmic rays

(D) None of these

✅ Correct Answer: Cosmic rays

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Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

Volvox is a polyphyletic genus of _______...?

(A) Green algae

(B) Red algae

(C) Brown algae

(D) None of these

✅ Correct Answer: Green algae

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Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

Which gas can turn lime water milky...?

(A) O2

(B) NO2

(C) CO2

(D) N2

✅ Correct Answer: CO2

Comments

Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

What are the three subatomic particles of an atom...?

(A) Protons,Neutrons & Electrons

(B) Protons,Nucleus & Electrons

(C) Protons,Nucleus & Elements.

(D) Elements,Nucleus & Protons

✅ Correct Answer: Protons,Neutrons & Electrons

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Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

First antibiotic was extracted from a _________...?

(A) Bacteria

(B) virus

(C) Fungus

(D) None of these

✅ Correct Answer: Fungus

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Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

Atom is made up of____________different kinds of subatomic particles:...?

(A) Three

(B) Two

(C) Four

(D) None

✅ Correct Answer: Three

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Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

Cooking gas is mixture of which two gases...?

(A) Hydrogen and oxygen

(B) Methane and CO2

(C) Methane and oxygen

(D) None of these

✅ Correct Answer: Methane and oxygen

Comments

Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

Brass gets discoloured in air because of the presence of which of the following gases in air ________ ...?

(A) Carbon dioxide

(B) Oxygen

(C) Nitrogen

(D) Hydrogen sulphide

✅ Correct Answer: Hydrogen sulphide

Comments

Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

An atom of an element has 11 protons, 11 electrons and 12 neutrons. The atomic mass of an atom is...?

(A) 11

(B) 12

(C) 22

(D) 23

✅ Correct Answer: 23

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Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

Period of extensive metabolic activity, in which cell grow, enzymes are synthesizes...?

(A) S phase

(B) M phase

(C) G2 phase

(D) G1 phase

✅ Correct Answer: G1 phase

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Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

One of the following countries produces maximum energy from atomic reactors...?

(A) France

(B) USA

(C) UK

(D) none

✅ Correct Answer: USA

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Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

The process in which solid directly changes to gas is called...?

(A) Distillation

(B) Filtration

(C) Sublimation

(D) Crystallization

✅ Correct Answer: Sublimation

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Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

Which gas is used in preparation of Soda water...?

(A) Ammonia

(B) Hydrogen

(C) Nitrogen

(D) Carbon Dioxide

✅ Correct Answer: Carbon Dioxide

Comments

Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

Thermal energy transfer required to change a liquid into gas without changing its temperature is called...?

(A) Latent heat of freezing

(B) Latent heat of vaporization

(C) Latent heat of boiling

(D) Latent heat of melting

✅ Correct Answer: Latent heat of vaporization

Comments

Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

Which of the following gases do plants and trees give out during photosynthesis...?

(A) Hydrogen

(B) Nitrogen

(C) Oxygen

(D) Carbon dioxide

✅ Correct Answer: Oxygen

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Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

Which of the following is the most toxic gas...? Mcqs

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