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Q.

Hydrogen combines with oxygen to form H2O in which  16 g of oxygen combine with 2 g of hydrogen. Hydrogen also combines with carbon to form CH4 in which 2 g of hydrogen combine with 6 g of carbon. If carbon and oxygen combine together then they will do show in the ratio of

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a

 6 : 18

b

 6 : 16 or 12 : 32

c

 1 : 2

d

12 : 24

answer is B.

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Detailed Solution

  • In H2O , ratio of masses of O and H = 16:2
  • In CH4 , ratio of masses of C and H =6:2
  • According to law of reciprocal proportions, 
  • The ratio of masses of C and O = 6:16
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