Oil of vitriol is_________...? Mcqs

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Oil of vitriol is_________...?

(A) Nitric acid
(B) Hydrochloric acid

(C) Phosphoric acid
(D) Sulfuric acid

✅ Correct Answer: Sulfuric acid

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Source: This question is taken from the Everyday Science

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Change of state form liquid to solid is _________...?

(A) Boiling
(B) Freezing

(C) Evaporation
(D) None of these

✅ Correct Answer: Freezing

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Source: This question is taken from the Everyday Science

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pH value of water is _________...?

(A) 5
(B) 5-6

(C) 8.7-10.5
(D) 6.5-8.5

✅ Correct Answer: 6.5-8.5

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The melting point of ice is_________...?

(A) 00C
(B) 1000C

(C) 40C
(D) -40C

✅ Correct Answer: 00C

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Chemical name of vinegar is _____________...?

(A) Sodium Nitrate
(B) Dilute acetic acid

(C) Chloride of lime
(D) Calcium

✅ Correct Answer: Dilute acetic acid

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Source: This question is taken from the Everyday Science

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The density of water is __________...?

(A) 1 g/cm3
(B) 1.5 g/cm3

(C) 2 g/cm3
(D) none of these

✅ Correct Answer: 1 g/cm3

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Source: This question is taken from the Everyday Science

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An example of rhizome is_________...?

(A) Carrot
(B) Tomato

(C) Ginger
(D) Garlic

✅ Correct Answer: Ginger

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The lens used in a simple microscope is____________...?

(A) Concave
(B) Convex

(C) Cylindrical
(D) None

✅ Correct Answer: Convex

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Second name of ethyl alcohol is___________...?

(A) Ethene
(B) Ethanol

(C) Propyle
(D) none

✅ Correct Answer: Ethanol

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The main Constituent of Biogas is__________...?

(A) Methane
(B) Hydrogyn

(C) Oxygen
(D) Carbin dioxide

✅ Correct Answer: Methane

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Source: This question is taken from the Everyday Science

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The mean distance of the earth from the sun is astronomical units is____________...?

(A) 3.7 AU
(B) 10 AU

(C) 1 AU
(D) 101 AU

✅ Correct Answer: 1 AU

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The variety of coal in which the deposit contains recognizable traces of the original plant material is____________...?

(A) bitumen
(B) anthracite

(C) lignite
(D) peat

✅ Correct Answer: peat

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The best conductor of heat among liquid is___________...?

(A) Water
(B) Mercury

(C) Ether
(D) Alcohol

✅ Correct Answer: Mercury

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The metal, which is a constituent of vitamin B12 is____________...?

(A) Iron
(B) Magnesium

(C) Zinc
(D) Cobalt

✅ Correct Answer: Cobalt

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Main constituent in air is ___________...?

(A) Oxygen
(B) Nitrogen

(C) Hydrogen
(D) Helium

✅ Correct Answer: Nitrogen

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Percentage of water in a tomato is__________...?

(A) 94%
(B) 90%

(C) 47%
(D) None of these

✅ Correct Answer: 94%

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Virus is__________...?

(A) unicellular
(B) multicellular

(C) acellular
(D) none of these

✅ Correct Answer: acellular

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The speed of light is __________...?

(A) 280,000 km/s
(B) 300,000 km/s

(C) 320,000 km/s
(D) none of these

✅ Correct Answer: 300,000 km/s

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The image formed in a compound microscope is_____________...?

(A) erect
(B) inverted

(C) sometimes erect, sometimes inverted
(D) none

✅ Correct Answer: inverted

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Rusting of Iron involves_______________...?

(A) Reduction
(B) Oxidation

(C) Decomposition
(D) Displacement

✅ Correct Answer: Oxidation

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Freezing point of water is__________...?

(A) 0°C
(B) -2°C

(C) -4°C
(D) None of above

✅ Correct Answer: 0°C

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AIDS virus is______________________...?

(A) Single-stranded RNA
(B) Single-stranded DNA

(C) Double-stranded RNA
(D) Double-stranded DNA

✅ Correct Answer: Single-stranded RNA

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The gas used in a refrigerator to cool water is___________...?

(A) Nitrogen
(B) Carbon dioxide

(C) Methane
(D) Tetrafluoroethane

✅ Correct Answer: Tetrafluoroethane

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An instrument to detect the purity of milk is____________...?

(A) Lactometer
(B) Hygrometer

(C) Manometer
(D) Sonometer

✅ Correct Answer: Lactometer

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Blood which heart pumps to lungs is__________...?

(A) deoxygenated blood
(B) lymph fluid

(C) atria blood
(D) oxygenated blood

✅ Correct Answer: deoxygenated blood

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Albatros is__________...?

(A) A sea bird
(B) A beetle

(C) A fruit
(D) None

✅ Correct Answer: A sea bird

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Lactometer is a type of Hydrometer which is used to measure the specific gravity of _________...?

(A) Honey
(B) Water

(C) Milk
(D) olive oil

✅ Correct Answer: Milk

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The valency of carbon Atom is __________ ...?

(A) 1
(B) 2

(C) 3
(D) 4

✅ Correct Answer: 4

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Water vapour beyond the dew point result in_________...?

(A) Precipitation
(B) Hailstorm

(C) Condensation
(D) Formation of ice

✅ Correct Answer: Condensation

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Disease which transferred from animal to Human is_________...?

(A) Sporadic
(B) Epidemic

(C) Endemic
(D) Zoonosis

✅ Correct Answer: Zoonosis

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SI unit of light is _________ ...?

(A) watt
(B) Pascal

(C) Candela
(D) Joule

✅ Correct Answer: Candela

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The main cause of floods in the river is__________...?

(A) Heavy snowfall
(B) Earthquakes

(C) Deforestation
(D) Construction of dams

✅ Correct Answer: Deforestation

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A balanced diet quality formula recommended by World Health Organization is ____________....?

(A) Carbohydrates 58% + Proteins 12% + Fats 30%
(B) Mineral+Proteins+Fats

(C) Fats+Proteins+Minerals
(D) None of these

✅ Correct Answer: Carbohydrates 58% + Proteins 12% + Fats 30%

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The rear view mirror of a motor vehicle is ________...?

(A) Concave
(B) Plane

(C) Convex
(D) Biconcave

✅ Correct Answer: Convex

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The biggest species of the cat family is___________...?

(A) Tiger
(B) Lion

(C) Leopard
(D) None

✅ Correct Answer: Tiger

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An element that does not occur in nature but can be produced artificially is__________...?

(A) Plutonium
(B) Uranium

(C) Radium
(D) Thorium

✅ Correct Answer: Plutonium

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The major ingredient of leather is__________________...?

(A) Collagen
(B) Polymer

(C) Nucleic acid
(D) None of these

✅ Correct Answer: Collagen

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A shooting star is _________...?

(A) Sun
(B) A comet

(C) A meteor
(D) An steroid

✅ Correct Answer: A meteor

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Another name for our voice box is _________...?

(A) Larynx
(B) Pharynx

(C) Trachea
(D) Mouth

✅ Correct Answer: Larynx

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Air Conditioning Controls:___________...?

(A) Circulation of the Air
(B) Humidity

(C) Temperature
(D) All of The Above

✅ Correct Answer: All of The Above

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Most abundant color in Earth is_________...?

(A) Blue
(B) Green

(C) Brown
(D) Black

✅ Correct Answer: Blue

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Deficiency of Vitamin __________ causes Sailors Disease in human...?

(A) Vitamin A
(B) Vitamin K

(C) Vitamin C
(D) Vitamin D

✅ Correct Answer: Vitamin C

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Density of Water is_________...?

(A) 897 kg/m³
(B) 997 kg/m³

(C) 1000 kg/m³
(D) 1025 kg/m³

✅ Correct Answer: 997 kg/m³

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A fresh egg when placed in salt water will __________ ...?

(A) sink and go to the bottom
(B) sink but will not go to the bottom

(C) Float
(D) Burst

✅ Correct Answer: Float

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The main cause of air pollution is __________...?

(A) Burning Of Fuels
(B) Forests

(C) Fertilizers
(D) None of these

✅ Correct Answer: Burning Of Fuels

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The point within the Earth where earthquakes originate is _________...?

(A) Comma
(B) Origin

(C) Epicenter
(D) Focus

✅ Correct Answer: Rashid Mehmood

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Only planet whose day is longer than its year is__________...?

(A) Mercury
(B) Neptune

(C) Venus
(D) None of These

✅ Correct Answer: Venus

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Triple point of water is _________...?

(A) 271 K
(B) 272.2 K

(C) 273.16 K
(D) None of these

✅ Correct Answer: 273.16 K

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The unit of torque in International system of unit is _________...?

(A) Newton
(B) Newton-Meter

(C) Kilogram
(D) Meter

✅ Correct Answer: Newton-Meter

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In blood, the percentage of water is___________...?

(A) 75%
(B) 85%

(C) 90%
(D) 95%

✅ Correct Answer: 90%

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The density of Air is_____________...?

(A) 0.225 kg/m3
(B) 1.025 kg/m3

(C) 1.225 kg/m3
(D) 1.425 kg/m3

✅ Correct Answer: 1.225 kg/m3

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The vitamin which is generally excreted by humans in urine is__________...?

(A) Vitamin A
(B) Vitamin B

(C) Vitamin B12
(D) Vitamin C

✅ Correct Answer: Vitamin C

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Source: This question is taken from the Everyday Science

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In Fishes excretory Product is__________...?

(A) Nitrogen
(B) Ammonia

(C) Uria
(D) Carbon dioxide

✅ Correct Answer: Ammonia

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Salinization is ___________...?

(A) Accumulation of salts in water
(B) Accumulation of salts in soil

(C) Accumulation of salts in body
(D) Accumulation of salts in animals

✅ Correct Answer: Accumulation of salts in soil

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Another name of vitamin C is__________...?

(A) Ascorbic Acid
(B) Acitic Acid

(C) Citric Acid
(D) Lysozyme

✅ Correct Answer: Ascorbic Acid

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Source: This question is taken from the Everyday Science

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The PH of milk is __________...?

(A) 6.0
(B) 6.5

(C) 7.0
(D) 7.5

✅ Correct Answer: 6.5

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A tight-rope walker carries a long pole which he holds across his body. The purpose of this pole is to__________...?

(A) Prop him up if he falls
(B) Spread out his weight and reduce the pressure on the rope

(C) Add extra weight to keep the rope tightly stretched
(D) To keep the Center of gravity always above vertically above the rope

✅ Correct Answer: To keep the Center of gravity always above vertically above the rope

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SI unit of Illumination is ________...?

(A) Candela
(B) Flux

(C) Lux
(D) None of these

✅ Correct Answer: Lux

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Source: This question is taken from the Everyday Science

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What is the molecular formula for Nitric acid ________ ...?

(A) HNO2
(B) HNO3

(C) HN2O2
(D) H2NO4

✅ Correct Answer: HNO3

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Most soluble in water is:__________...?

(A) Camphor
(B) Sulphur

(C) Common salt
(D) Sugar

✅ Correct Answer: Sugar

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Source: This question is taken from the Everyday Science

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Symbol of Iron is__________...?

(A) Na
(B) Fr

(C) Fe
(D) Zn

✅ Correct Answer: Fe

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SI unit of time is_________...?

(A) second
(B) kilo gram

(C) meter
(D) volt

✅ Correct Answer: second

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Central Color of Rainbow is__________...?

(A) Blue
(B) Green

(C) Red
(D) Indigo

✅ Correct Answer: Green

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The hormone that increases the rate of heart beat and blood pressure after shock in a person is___________...?

(A) Adrenalin
(B) Gastrin

(C) Thyroxin
(D) Pancreatic

✅ Correct Answer: Adrenalin

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The biggest planet in our solar system is___________...?

(A) Venus
(B) Pluto

(C) Jupiter
(D) None

✅ Correct Answer: Jupiter

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The gas usually filled in the electric bulb is___________...?

(A) Nitrogen
(B) Hydrogen

(C) Carbon dioxide
(D) Oxygen

✅ Correct Answer: Nitrogen

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Source: This question is taken from the Everyday Science

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