Elements and Compounds Multiple Choice Questions and Answers 5 PDF Download
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MCQs on Elements and Compounds Worksheets 5 Quiz PDF Download
MCQ: To make specific compound, elements are mixed in a fix proportion by
MCQ: Dense white fumes which can be seen upon gas ammonia are due to mixing of
- hydrogen chloride
- nitrogen dioxide
- ammonium chloride
- calcium chloride
MCQ: With one hundred elements compounds that may be made, will be above
MCQ: Formation of compounds involve
- chemical reaction
- physical reaction
MCQ: Water is broken down into small units by passing it through