PDF chapter test TRY NOW
1. If the mass of reactants is equal to the mass of products then which of the following statements is true ?
2. Hydrogen and Oxygen combine in the ratio of 1:8 by mass to form water. What mass of oxygen gas would be required to react completely with 3 g of hydrogen gas ?
Answer variants:
27 g
24 g
Law of conservation of mass holds good
Law of conservation of moles holds good
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