Physical and Chemical Changes Multiple Choice Questions 23 PDF Download

Learn physical and chemical changes MCQs, grade 7 science test 23 for online courses learning and test prep, polyethene multiple choice questions and answers. Polyethene revision test includes science worksheets to learn for grade 7 earth science exam prep.

Science multiple choice questions (MCQ) on at first slightly different form of 'polythene' was discovered in with options 1833, 1733, 1933 and 1953, polyethene quiz for competitive exam prep, viva interview questions with answers key. Free science study guide to learn 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. 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 magnet is

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