Valency and Chemical Formula Quiz Questions and Answers PDF Download eBook
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Quiz on Valency & Chemical Formula PDF Download eBook
MCQ: The chemical formula of butane is
MCQ: Evaporation of solution of CuSO4 helps in
- making it concentrated only
- crystallization of CuSO4 only
- evaporation of salt CuSO4
- making it concentrated and crystallization of CuSO4
MCQ: What is true about distilled water?
- it has some impurities left in it
- it is very pure water
- it is obtained through fractional distillation
- it is obtained through decanting
MCQ: The valency of Sulphide is
MCQ: What is true about crystals?
- it is a solid that can be dissolved in liquids
- it is a solid that re appears from other substances
- it is a solid that reappears from the solution
- it can be obtained through sublimation