Physical and Chemical Changes Multiple Choice Questions 29 PDF Download

Learn physical and chemical changes MCQs, grade 7 online science test 29, polyvinyl chloride multiple choice questions and answers. Polyvinyl chloride revision test has science worksheets, helping answer key with choices as vinyl ethene gas, dichloride gas, vinyl chloride gas and diethene gas of multiple choice questions (MCQ) with polyvinyl chloride quiz as ethene dichloride splits up to form for competitive exam prep, viva interview questions. Free science study guide to practice polyvinyl chloride quiz to attempt multiple choice questions based test.

MCQs on Physical and Chemical Changes Quiz PDF Download Worksheets 29

MCQ. Ethene dichloride splits up to form

  1. dichloride gas
  2. vinyl ethene gas
  3. vinyl chloride gas
  4. diethene gas

C

MCQ. 'Methane' is an example of

  1. carbohydrates
  2. hydrocarbons
  3. alcohols
  4. alkenes

B

MCQ. The color of copper sulfate crystals is

  1. black
  2. blue
  3. orange
  4. white

B

MCQ. If magnesium is gently heated, it forms

  1. magnesium oxide
  2. magnesium sulfide
  3. magnesium nitrite
  4. magnesium carbonate

A

MCQ. The chemical formula of ethene is

  1. C2H4
  2. C2H3
  3. CH2
  4. C3H6

A