Grade 7 English MCQs

Physical and Chemical Changes Multiple Choice Questions Test 26 Tests pdf Download

Practice science test 26 on physical and chemical changes MCQs, grade 7 making ammonia multiple choice questions and answers. Making ammonia revision test has science worksheets, answer key with choices as nh3, nh2, nh4 and nh5 of multiple choice questions (MCQ) with making ammonia quiz as the formula of ammonia is for competitive exam prep. Free science study guide to learn making ammonia quiz to attempt multiple choice questions based test.

MCQs on Physical and Chemical Changes: Worksheets 26 Quiz pdf Download

MCQ. Formula of ammonia is

  1. NH2
  2. NH3
  3. NH4
  4. NH5

B

MCQ. Definite volume is of

  1. solids only
  2. liquids only
  3. gases only
  4. solids and liquids

D

MCQ. Mixture of iron and Sulphur is separated by

  1. filtration
  2. magnet
  3. distillation
  4. evaporation

B

MCQ. Particles of iron sulfide are

  1. separate
  2. chemically bonded
  3. biologically bonded
  4. permanently bonded

B

MCQ. When inventor invented first plastic, he was trying to make

  1. a cup for coffee
  2. an artificial ivory of billiard balls
  3. an artificial sword for martial arts training
  4. a gun with the lightest weight yet created

B