Grade 7 English MCQs

Physical and Chemical Changes Multiple Choice Questions Test 23 Tests pdf Download

Practice science test 23 on physical and chemical changes MCQs, grade 7 polyethene multiple choice questions and answers. Polyethene revision test has science worksheets, answer key with choices as 1833, 1733, 1933 and 1953 of multiple choice questions (MCQ) with polyethene quiz as a slightly different form of polyethene was discovered later on. it was discovered in for competitive exam prep. Free science study guide to learn polyethene quiz to attempt multiple choice questions based test.

MCQs on Physical and Chemical Changes: Worksheets 23 Quiz pdf Download

MCQ. A slightly different form of polyethene was discovered later on. It was discovered in

  1. 1733
  2. 1833
  3. 1933
  4. 1953

D

MCQ. World's first successful plastic was made in

  1. 1770
  2. 1870
  3. 1970
  4. 1980

B

MCQ. Physical change only affects the

  1. arrangement of particles
  2. energy of particles
  3. arrangement and energy of particles
  4. size of particles

C

MCQ. Component instead of which fertilizer is incomplete is

  1. Ammonia
  2. Nitrogen
  3. Methane
  4. Ethane

B

MCQ. Component that can stick to magnet is

  1. iron
  2. Sulphur
  3. both
  4. none

A