Question

Question-1)
30 mL of a sample containing H2(g), CH4 (g) and C(g) required 35 mL of O2, for complete combustion. There was a contraction of 20 mL when the mixture was treated with KOH. What is the composition of CH (g) and H2(g) respectively in original mixture?
(1) 50%, 25%
(2)33.33%, 33.33%
(3) 20%, 35%
(4) 66.67%, 15% ​

Answer 1

Explanation:

The main attry of heat is called what ?

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