Physical and Chemical Changes Multiple Choice Questions 23 PDF Download

Learn physical and chemical changes MCQs, grade 7 online science test 23, polyethene multiple choice questions and answers. Polyethene revision test has science worksheets, helping answer key with choices as 1833, 1733, 1933 and 1953 of multiple choice questions (MCQ) with polyethene quiz as at first slightly different form of 'polythene' was discovered in for competitive exam prep, viva interview questions. Free science study guide to practice polyethene quiz to attempt multiple choice questions based test.

MCQs on Physical and Chemical Changes Quiz PDF Download Worksheets 23

MCQ. At first slightly different form of 'polythene' was discovered in

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


MCQ. The world's first successful plastic was made in

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


MCQ. Physical change only effects the

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


MCQ. A component without which fertilizer is incomplete, is

  1. ammonia
  2. nitrogen
  3. methane
  4. ethene


MCQ. A component which can stick to the magnet is

  1. iron
  2. sulphur
  3. both a and b
  4. lead