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Assignment 03 Chemical Reactions and Equations
CLASS X MCQ
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In a chemical reaction between sulphuric acid and barium chloride solution the white precipitates formed are of:
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Hydrochloric acid
Barium sulphate
The respiration process during which glucose undergoes slow combustion by combining with oxygen in the cells of our body to produce energy, is a kind of:
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Exothermic process
Endothermic process
Which method is mentioned below can be used to prevent the chips from getting rancid:
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Storing the food in the air-tight containers
Storing it with water
Rusting of iron involves
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Oxidation reaction
Combination reaction
All of the above
Oxidation is removal of hydrogen
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true
false
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