14.
Ravi was performing some experiments related to the laws of chemical combination
in the science laboratory under the guidance of his chemistry teacher Mr. John. Ravi
found that when he burned 1 gram of hydrogen gas in 8 grams of oxygen gas in a
closed vessel, he obtained 9 grams of water. He repeated this experiment many
times but obtained the same results every time.
(iv)
S. CHAND
School
LAKH
M
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Answer:
It is because of law of chemical combination of reaction which states that weight of products and reactants will be same.
And no atoms, molecules and weight is lose.
Explanation:
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