Atoms Molecules Mixtures and Compounds Multiple Choice Questions and Answers 23 PDF Download
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MCQs on Atoms Molecules Mixtures and Compounds Worksheets 23 Quiz PDF Download
MCQ: Petroleum is a mixture of crude oil and natural gas, these two substance are formed
- none of them
MCQ: Iodine crystals and carbon dioxide are examples of sublimates that sublime at
- room temperature
- boiling point
- freezing point
- none of them
MCQ: Chemical symbol for nitrogen gas is
MCQ: Gold alloys are used to make
- dental fillings
- all of them
MCQ: A substance that is broken down into simpler substance by means of chemical, not physical, is known as