Physical and Chemical Changes Multiple Choice Questions and Answers 23 PDF Download

Learn physical and chemical changes MCQs, grade 7 science test 23 for online learning courses and test prep. Polyethene multiple choice questions (MCQs), physical and chemical changes quiz questions and answers include science worksheets for grade 7 earth science exam prep.

Science multiple choice questions (MCQ): at first slightly different form of 'polythene' was discovered in with options 1833, 1733, 1933 and 1953, polyethene quiz to improve study skills for exams by online learning on distance education ePortal. 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: At first slightly different form of 'polythene' 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 effects the

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

C

MCQ: A component without which fertilizer is incomplete, is

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

B

MCQ: A component which can stick to magnet is

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

A