Grade 10 Chemistry Test MCQs Quiz Online PDF Download

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"Which of the following makes up most of the air?" Multiple Choice Questions (MCQ) on atomic and mass number with choices nitrogen, oxygen, carbon dioxide, and helium for virtual high school. Free chemistry student portal for online learning environmental chemistry i atmosphere quiz questions for online high school classes.

MCQs on Grade 10 Chemistry Test PDF Download

MCQ: Which of the following makes up most of the air?

  1. nitrogen
  2. oxygen
  3. carbon dioxide
  4. helium


MCQ: Substances that react with both acids and bases are called

  1. Lewis acids
  2. amphoteric substances
  3. salts
  4. Lewis bases


MCQ: Alkanes that contain 5 to 17 atoms are in

  1. solid state
  2. liquid state
  3. gaseous state
  4. plasma state


MCQ: Which of the following is a pentahydroxy aldehyde?

  1. glucose
  2. fructose
  3. glycogen
  4. starch


MCQ: Sugars which rotate the plane of polarized light in a clockwise direction are called

  1. lactose sugars
  2. complex sugars
  3. dextrose sugars
  4. simple sugars