class 10 chemical reactions and equations mcq
The upward arrow indicates
1. Gas
2. Precipitate
3. Liquid
4. Crystals
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The study of quantitative relationship in chemical reactions is called
1. Stoichiometry
2. Electrometry
3. Volumetry
4. None
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The downward arrow represents
1. Gas
2. Precipitate
3. Liquid
4. Crystals
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Volume - Volume relations use a hypothesis proposed by
1. boyle
2. charles
3. gaylussac
4. avogadro
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