Two oxides of certain metal were separately heated with hydrogen and the water is formed when 2 gram of each oxide heated gives 0.25 17 gram and 0.4526 gram water is formed respectively show that law of multiple proportion is obeyed

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Q. Two oxides of certian metal were separetly heated in a current of hydrogen untill constant weights were obtained . The.water produces in each case was carefully collected and weighed . 2 grams of each oxide gave respectively 0.2517 grams and 0.4526 grams of water .show that these results establosh the law of multiple proportions.

Q. Copper forms two oxides following law of variable proportions. One gram of each oxide in hydrogen gas gave

0.799 g

and

0.888 g

of the metal respectively. Give the composition of these oxides.

Q. Two oxides of a certain metal were separately heated in hydrogen till water was produced. It was observed that

1

gm of each oxide gave

0.125

gm and

0.2263

gm of water respectively. This illustrates the law of:

1. A metal reacts with chlorine and forms two chlorides A and B. A has 77.45% and B has 84.93% of chlorine. Calculate the mass of chlorine that combines with one gram of metal and show that the law of multiple proportions is obeyed.

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