Elements and Compounds Multiple Choice Questions and Answers 8 PDF Book Download
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MCQ on Elements and Compounds Worksheets 8 PDF Book Download
MCQ: Process which involves in breaking down element by passing electricity through it is called
MCQ: Chinese thought that number of elements were
MCQ: Low densities, low melting, low boiling point and poor conductivity are found in
- non metals
MCQ: Air ships and balloons use gas called
MCQ: A compound which yields in black solid, copper oxide and colorless gas carbon dioxide on heating, is
- copper carbonate
- iron sulfide
- sodium chloride
- copper chloride