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...?

(i) N₂ & SO2
(ii) NH3 & CO2

(iii) O2 & N₂
(iv) None of these

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

(i) Methane & Carbon dioxide
(ii) Oxygen & Nitrogen

(iii) Butane & Propane
(iv) Oxygen & Methane

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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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Which gas is used in fire extinguisher...?

(i) Nitrogen
(ii) Carbon Dioxide

(iii) Oxygen
(iv) Nitrogen

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Solid can be converted directly to the gaseous state. This process is known as:...?

(i) Sublimation
(ii) Evaporation

(iii) Condensation
(iv) Diffusion

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Diamond is an allotropic form of:...?

(i) Germanium
(ii) Carbon

(iii) Silicon
(iv) Sulphur

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The most brightest planet is ______...?

(i) Sun
(ii) Mercury

(iii) Venus
(iv) None of these

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Which gas can be ventilated buildings accumulated in poorly...?

(i) Xenon
(ii) Hydrogen

(iii) Radon
(iv) Helium

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Which of the following is the least polluted gas...?

(i) Carbon
(ii) Nitrogen

(iii) Chlorine
(iv) None of these

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Bio gas is the common name of...?

(i) Methane (CH₄)
(ii) Hydrogen gas

(iii) Nitrogen gas
(iv) Oxygen gas

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