Class 7 Science MCQs - Chapter 8

Elements and Compounds Multiple Choice Questions (MCQs) PDF Download - 5

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Elements and Compounds Questions & Answers PDF Download: MCQ Quiz 5

MCQ 21: To make specific compound, elements are mixed in a fix proportion by

mass
weight
volume
density

MCQ 22: The dense white fumes which can be seen upon gas ammonia are due to mixing of

hydrogen chloride
nitrogen dioxide
ammonium chloride
calcium chloride

MCQ 23: With one hundred elements the compounds that may be made, will be above

millions
thousands
hundreds
trillions

MCQ 24: The formation of compounds involve

chemical reaction
physical reaction
evaporation
distillation

MCQ 25: Water is broken down into small units by passing it through

heat
electricity
magnet
current

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