The process of emoving water in the form of vapour from theleaves is called:...? Mcqs

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The process of emoving water in the form of vapour from theleaves is called:...?

(A) Nutrition
(B) Respiration

(C) Perspiratin
(D) Transpiration

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Which gas is known as laughing gas...?

(A) Nitrous oxide N2O
(B) Nitrogen

(C) Methane
(D) None of these

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How many Neutrons in Hydrogen:...?

(A) O
(B) 1

(C) 2
(D) None of these

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Hypothermia is caused by exposure to...?

(A) Extreme Cold
(B) Extreme Heat

(C) Excessive radiation
(D) None of these

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Which of the following gases is used for refrigeration...?

(A) Chlorine
(B) Ammonia

(C) Phosphine
(D) Carbon Dioxide

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What makes a lemon sour...?

(A) Tartaric acid
(B) Citric acid

(C) Acetic acid
(D) Hydrochloric acid

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The element required for solar energy conversion is:...?

(A) Silicon
(B) Germanium

(C) Uranium
(D) None of these

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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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What is the chemical formula of washing soda...?

(A) Na2CO3
(B) NaHCO3

(C) Na2CO3
(D) Na2CO3.10H2O

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Which gas is filled in electric bulb...?

(A) Nitrogen
(B) Oxygen

(C) Carbon dioxide
(D) None of these

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