Give reasons-
i.why is ethanol used as anti-freeze?
ii.Why is oxyacetylene flame used for welding purposes?
iii.what is gasol?
iv.which gas is produced when vinegar reacts with washing soda?write the chemical equation?
Answers
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3. Gasohol = 10% ethanol + petrol.
4.Carbondioxide gas is produced.
4.Carbondioxide gas is produced.
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because it is not a cooling agent as ammonia and symbol of nahco3 and ch3cooh for vineger
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