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

  1. oxygen
  2. helium
  3. ammonia
  4. nitrogen

C

MCQ: Non-magnetic elements are mostly

  1. non-metal
  2. metal
  3. semi-solid
  4. liquid

A

MCQ: Paper chromatography is a useful technique in separation and identification of different

  1. Siemens
  2. stigma
  3. plant pigments
  4. roots

C

MCQ: Mixture of tartaric acid and sodium bicarbonate forms

  1. baking powder
  2. coco powder
  3. coconut powder
  4. talcum powder

A

MCQ: Element that builds up nitrates, proteins and is also used in chlorophyll, is

  1. oxygen
  2. carbon
  3. nitrogen
  4. hydrogen

C