Physical and Chemical Changes Multiple Choice Questions and Answers 11 PDF Download

Learn physical and chemical changes MCQs, grade 7 science test 11 for online learning courses and test prep. Iron and sulphur multiple choice questions (MCQs), physical and chemical changes quiz questions and answers include science worksheets for 7th grade science placement test.

Science multiple choice questions (MCQ): 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 to improve study skills for exams by online learning on distance education ePortal. Free science study guide to learn iron and sulphur quiz to attempt multiple choice questions based test.

MCQs on Physical and Chemical Changes Worksheets 11 Quiz PDF Download

MCQ: By heating 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: 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