What is called laughing gas...? Mcqs

Latest MCQs

What is called laughing gas...?

(i) Nitrous Oxide
(ii) Nitric Oxide

(iii) Nitrogen Oxide
(iv) Nitrogen Peroxide

Latest MCQs

Nitrogen boils at a temperature of:...?

(i) -96 °C
(ii) -196 °C

(iii) -296 °C
(iv) -310 °C

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A matter can exist in which of the following forms:...?

(i) Liquid
(ii) Solid

(iii) Gas
(iv) All of these

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

(i) Jupiter
(ii) Venus

(iii) Mars
(iv) None of these

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

(i) Nutrition
(ii) Respiration

(iii) Perspiratin
(iv) Transpiration

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How many neutrons are in hydrogen...?

(i) 0
(ii) 1

(iii) 2
(iv) 3

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How many neutrons in hydrogen:...?

(i) O
(ii) 1

(iii) 2
(iv) 3

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Which gas is filled in electric bulb...?

(i) Nitrogen
(ii) Oxygen

(iii) Carbon dioxide
(iv) None of these

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James Chadwick is known for his discovery...?

(i) Proton
(ii) Neutron

(iii) Electron
(iv) None of these

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Which gas is used to make soda water...?

(i) Ammonia
(ii) Hydrogen

(iii) Nitrogen
(iv) Carbon Dioxide

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