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Quiz "Which type of gas am I?"

Which type of gas am I?

a colourless odourless flammable gas, the simplest alkane and the main constituent of natural gas: used as a fuel. Formula: CH4

Which type of gas am I?

a colourless odourless highly reactive gaseous element: the most abundant element in the earth's crust (49.2 per cent). It is essential for aerobic respiration and almost all combustion and is widely used in industry. Symbol: O; atomic no: 8; atomic wt: 15.9994; valency: 2; density: 1.429 kg/m3; melting pt: –218.79°C; boiling pt: –182.97°C

Which type of gas am I?

a mixture of two parts of hydrogen and one part of oxygen by volume, formed by the electrolysis of water

Which type of gas am I?

a mixture of hydrogen and carbon monoxide produced by passing steam over hot carbon, used as a fuel and raw material

Which type of gas am I?

a colourless poisonous irritating gas with a pungent characteristic odour, made by the oxidation of methanol and used as formalin and in the manufacture of synthetic resins. Formula: HCHO
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