Nitrogen boils at a temperature of:...? Mcqs

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Nitrogen boils at a temperature of:...?

(i) -96 °C
(ii) -196 °C

(iii) -296 °C
(iv) -310 °C

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

(i) N₂ & SO2
(ii) NH3 & CO2

(iii) O2 & N₂
(iv) None of these

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splitting of water into hydrogen and oxygen is an example of ______...?

(i) Evaporation
(ii) Condensation

(iii) Decomposition
(iv) Sublimation

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A chemical solution has 8% acid the acid is 15 ml the total volume of solution is...?

(i) 179.5 ml
(ii) 180.5 ml

(iii) 187.5 ml
(iv) None of these

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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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Vitamin C is abundantly found in ...?

(i) Leman
(ii) Guava

(iii) Apple
(iv) Mango

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Which metal is found in liquid state at room temperature?...?

(i) Iron
(ii) Zinc

(iii) Aluminum
(iv) Mercury

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Which is the first element depicted on the Periodic Table...?

(i) Hydrogen
(ii) Aluminum

(iii) Oxygen
(iv) Gold

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Which of the following gases is most predominant in the Sun...?

(i) Helium
(ii) Hydrogen

(iii) Nitrogen
(iv) Ozone

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