LPG consists of mainly:___________...? Mcqs

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LPG consists of mainly:___________...?

(A) Methane, Ethane and Hexane
(B) Ethane, Hexane and Nonane

(C) Methane, Hexane and Nonane
(D) Methane, Butane and Propane

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1 BTU(British thermal unit) is equal to___________...?

(A) 955 joules
(B) 990 joules

(C) 1055 joules
(D) 1211 joules

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Bleaching powder contains___________...?

(A) Nitrogen
(B) Iodine

(C) Chlorine
(D) Bromine

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Our atmosphere consists of__________ CO2...?

(A) 0.03 to 0.04% CO2
(B) 0.3 to 0.4% CO2

(C) 3 to 4% CO2
(D) None of these

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Our atmosphere consists of___________ Oxygen approximately...?

(A) 11% Oxygen approximately
(B) 21% Oxygen approximately

(C) 31% Oxygen approximately
(D) None of these

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Saliva contains__________...?

(A) Amylases
(B) Bite

(C) Trypsin
(D) None of these

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The temperature at which water boils depends mainly on ____________...?

(A) Air temperature
(B) Relative humidity

(C) Air pressure
(D) Air density

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LPG consists mainly of : ___________...?

(A) Methane,Ethane & Hexane
(B) Ethane,Hexane &Nonane

(C) Methane,Butane & Propane
(D) All of these

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The ‘stone’ formed in human kidney consist mostly of_____________...?

(A) Calcium oxalate
(B) Sodium acetate

(C) Magnesium sulphate
(D) Calcium

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Spinal card controls all ___________...?

(A) Sexual activities
(B) Thinking activities

(C) Reflex activities
(D) none

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The atmosphere of moon consists of______________...?

(A) 90% Hydrogen, 10% Nitrogen
(B) 80%Nitrogen, 20% Hydrogen

(C) 60% Nitrogen, 40%inert gases
(D) None

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A group of elephants is called___________...?

(A) ZEAL
(B) Herd

(C) MOB
(D) TOWER

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Stars are huge balls of gas mainly consist of _______ and ________...?

(A) Oxygen, Nitrogen
(B) Helium, Oxygen

(C) Hydrogen, Helium
(D) Nitrogen, Carbon

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The speed of sound in air at sea level is approximately____________...?

(A) 300 meter per second
(B) 320 meter per second

(C) 340 meters per second
(D) 370 meter per second

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German Silver is an alloy of___________...?

(A) Zn + Ni
(B) Cu + Zn

(C) Cu + Ni
(D) Cu + Sn

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The blueness of the sky is mainly due to _____________...?

(A) The scattering of sunlight by air molecules
(B) The presence of water vapor

(C) Absorption of blue light by the air
(D) Emission of blue light by the atmosphere

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