Atoms Molecules Mixtures and Compounds Multiple Choice Questions and Answers 21 PDF Download
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MCQs on Atoms Molecules Mixtures and Compounds Worksheets 21 Quiz PDF Download
MCQ: A gas with pungent smell, which is made up of one atom of nitrogen and three atoms of hydrogen is
MCQ: Non-magnetic elements are mostly
MCQ: Paper chromatography is a useful technique in separation and identification of different
- plant pigments
MCQ: Mixture of tartaric acid and sodium bicarbonate forms
- baking powder
- coco powder
- coconut powder
- talcum powder
MCQ: Element that builds up nitrates, proteins and is also used in chlorophyll, is