Physical and Chemical Changes Multiple Choice Questions Test 11 Tests pdf Download

Practice science test 11 on physical and chemical changes MCQs, grade 7 iron and sulphur multiple choice questions and answers. Iron and sulphur revision test has science worksheets, answer key with choices as yellow to brown, grey to black, yellow to dark grey and grey to black of multiple choice questions (MCQ) with iron and sulphur quiz as heating of mixture of sulphur and iron, turns color from for competitive exam prep. Free science study guide to learn iron and sulphur quiz to attempt multiple choice questions based test.

MCQs on Physical and Chemical Changes Quiz pdf Download Worksheets 11

MCQ. Heating of mixture of Sulphur and iron, turns color from

  1. grey to black
  2. yellow to brown
  3. yellow to dark grey
  4. grey to black


MCQ. When gas is cooled down, it changes its state to liquid, this is called

  1. melting
  2. freezing
  3. condensation
  4. sublimation


MCQ. Polyethene was discovered in

  1. 1733
  2. 1833
  3. 1933
  4. 1633


MCQ. Smell of ammonia is

  1. sweet
  2. attractive
  3. weak
  4. strong and pungent


MCQ. Long chains of atoms are linked by

  1. hydrogen
  2. oxygen
  3. nitrogen
  4. carbon