Which of the following is the hardest substance...?

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Which of the following is the hardest substance...?

(A) Copper

(B) Diamond

(C) Iron

(D) Silicon

✅ Correct Answer: Diamond

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Source: This question is taken from the Everyday Science

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

Shortest distance between two points is called...?

(A) Distance

(B) Speed

(C) Displacement

(D) Velocity

✅ Correct Answer: Displacement

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Source: This question is taken from the Everyday Science

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

A reaction in which a new single compound is formed by the union of two or more substances is known as...?

(A) Decomposition Reaction

(B) Oxidation Reaction

(C) Addition Reaction

(D) Neutralization

✅ Correct Answer: Addition Reaction

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Source: This question is taken from the Everyday Science

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

Fertilizers are substances containing chemical elements such as manure or mixture of ______...?

(A) Lipids

(B) Carbohydrates

(C) Nitrates

(D) Proteins

✅ Correct Answer: Nitrates

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Source: This question is taken from the Everyday Science

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

The ice giants are mostly made of ‘volatile’ substances such as...?

(A) Water, mercury and methane

(B) Water, ammonia and mercury

(C) Water, plasma and methane

(D) Water, ammonia and methane

✅ Correct Answer: Water, ammonia and methane

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Source: This question is taken from the Everyday Science

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

Which lists the substances from least to most acidic...?

(A) Blood, milk, ammonia, orange juice

(B) Blood, ammonia, milk, orange juice

(C) Milk, blood, orange juice, ammonia

(D) Ammonia, blood, milk, orange juice

✅ Correct Answer: Ammonia, blood, milk, orange juice

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Source: This question is taken from the Everyday Science

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

Which is the hardest substance in the human body...?

(A) Tooth enamel

(B) Skull

(C) Knee cap

(D) Rib

✅ Correct Answer: Tooth enamel

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Source: This question is taken from the Everyday Science

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

The most densest substance on the Earth is __________....?

(A) Platinum

(B) Copper

(C) Steel

(D) Osmium

✅ Correct Answer: Osmium

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Source: This question is taken from the Everyday Science

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

What is the substance that causes undesirable change to the environment...?

(A) Climate Change

(B) Pollution

(C) Pollutant

(D) None

✅ Correct Answer: Pollutant

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Source: This question is taken from the Everyday Science

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

A thin partially permeable layer around the animal cell which control the substances that enter and exist is called...?

(A) Cell Wall

(B) Cell Membrane

(C) Cytoplasm

(D) Nucleus

✅ Correct Answer: Cell Membrane

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Source: This question is taken from the Everyday Science

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

Some substances are good conductor of electricity in both the solid and liquid states. These substances are generally______________...?

(A) ionic substances

(B) metallic substances

(C) molecular solids

(D) covalent network solids

✅ Correct Answer: metallic substances

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Source: This question is taken from the Everyday Science

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

What is the name of the substance that dissolves the substance...?

(A) Solute

(B) Solvent

(C) Solution

(D) Mixture

✅ Correct Answer: Solvent

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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 occurs when light passes through a substance unchanged...?

(A) Transmission

(B) Reflection

(C) Absorption

(D) Refraction

✅ Correct Answer: Transmission

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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 lightest substance...?

(A) Uranium

(B) Hydrogen

(C) Oxygen

(D) Nitrogen

✅ 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 solubility of a solute substance increases _____...?

(A) As the liquid cools down

(B) As the liquid becomes more concentrated

(C) As the liquid heats up

(D) As the liquid becomes more diluted

✅ Correct Answer: As the liquid heats up

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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

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Source: This question is taken from the Everyday Science

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

The soapy touching property of substance are known as ____...?

(A) Acids

(B) Bases

(C) Salts

(D) Oxides

✅ Correct Answer: Bases

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Source: This question is taken from the Everyday Science

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

When a substance is dissolved in a liquid and no new substance is formed. What will these substances are called...?

(A) Solute

(B) Solution

(C) Compound

(D) None

✅ Correct Answer: Solution

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Source: This question is taken from the Everyday Science

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

A (an) ______ is a pure substance which contains only one type of molecule made up of atoms of more than one element....?

(A) Compound

(B) Element

(C) Molecule

(D) Atom

✅ Correct Answer: Compound

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Source: This question is taken from the Everyday Science

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

Which process is used to get back the solid substances from a solution...?

(A) Crystallization

(B) Distillation

(C) Filtration

(D) Sublimation

✅ Correct Answer: Crystallization

Comments

Source: This question is taken from the Everyday Science

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

The process of vaporizing a solid substance and condensing the vapours to form the solid directly is known as...?

(A) Distillation

(B) Sublimation

(C) Filtration

(D) Crystallization

✅ Correct Answer: Sublimation

Comments

Source: This question is taken from the Everyday Science

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

A method which is used to separate coloured chemicals or substances, especially dyes is known as...?

(A) Filtration

(B) Sublimation

(C) Paper chromatography

(D) Distillation

✅ Correct Answer: Paper chromatography

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Source: This question is taken from the Everyday Science

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

What is the name of the substance which gets dissolved...?

(A) Solute

(B) Solvent

(C) Solution

(D) Mixture

✅ Correct Answer: Solute

Comments

Source: This question is taken from the Everyday Science

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

Chlorophyll is a green substance that is present in _____...?

(A) Mitochondria

(B) Nucleus

(C) Chloroplast

(D) Golgi Apparatus

✅ Correct Answer: Chloroplast

Comments

Source: This question is taken from the Everyday Science

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

Which of the following is the hardest substance...? Mcqs

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