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

  1. none of them
  2. artificially
  3. naturally
  4. occasionally

C

MCQ: Iodine crystals and carbon dioxide are examples of sublimates that sublime at

  1. room temperature
  2. boiling point
  3. freezing point
  4. none of them

A

MCQ: Chemical symbol for nitrogen gas is

  1. P
  2. S
  3. N
  4. Ne

C

MCQ: Gold alloys are used to make

  1. jewelry
  2. dental fillings
  3. coins
  4. all of them

D

MCQ: A substance that is broken down into simpler substance by means of chemical, not physical, is known as

  1. atom
  2. compound
  3. molecule
  4. solution

B