Biogas produced as a result of anaerobic decay of organic matter consist primarily of __________ gases...? Mcqs

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Biogas produced as a result of anaerobic decay of organic matter consist primarily of __________ gases...?

(A) N₂ & SO2
(B) NH3 & CO2

(C) O2 & N₂
(D) None of these

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Vaccination was discovered by...?

(A) Galileo
(B) Edward Jenner

(C) Baird
(D) Roentgen

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Vitamin C is abundantly found in ...?

(A) Leman
(B) Guava

(C) Apple
(D) Mango

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Nitrogen boils at a temperature of:...?

(A) -96 °C
(B) -196 °C

(C) -296 °C
(D) -310 °C

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Which planet revolves in Clockwise rotation around sun and seen from earth?...?

(A) Jupiter
(B) Venus

(C) Mars
(D) None of these

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How many neutrons are in hydrogen...?

(A) 0
(B) 1

(C) 2
(D) 3

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The reaction between an acid and a base is called neutralization reaction, product of this reaction is ______...?

(A) salt and water
(B) acid solution

(C) base solution
(D) water

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

(A) Methane & Carbon dioxide
(B) Oxygen & Nitrogen

(C) Butane & Propane
(D) Oxygen & Methane

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The process by which a substance absorbs moisture upon exposure to atmosphere is called:...?

(A) Deliquescence
(B) Efflorescence

(C) Dehydrogenation
(D) Desalination

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What is Nuclear Fission...?

(A) Atom splits into two masses
(B) Small atoms join each other

(C) Helium broken into proton and electron
(D) All of these

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