Multiple Choice Question Answer XXXVI — task. Science CBSE, Class 9.

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எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்

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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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