Physical and Chemical Changes Multiple Choice Questions 11 PDF Download

Practice physical and chemical changes MCQs, grade 7 science test 11 for online courses learning and test prep, iron and sulphur multiple choice questions and answers. Iron and sulphur revision test includes science worksheets to learn.

Science multiple choice questions (MCQ) on by heating color of mixture of sulphur and iron which is yellow turns to with options brown, black, dark grey and white, iron and sulphur quiz for competitive exam prep, viva interview questions with answers key. 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. By heating the color of mixture of sulphur and iron which is yellow turns to

  1. black
  2. brown
  3. dark grey
  4. white

C

MCQ. When gas is cooled down, it changes its state into liquid. This is called

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

C

MCQ. Polythene was discovered in

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

C

MCQ. The odour of ammonia is

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

D

MCQ. Long chain of atom is linked by

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

D