Physical and Chemical Changes Multiple Choice Questions and Answers 26 pdf eBooks Download

Learn physical and chemical changes MCQs, grade 7 online science test 26, making ammonia multiple choice questions and answers. Making ammonia revision test has science worksheets, helping 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, viva interview questions. Free science study guide to practice making ammonia quiz to attempt multiple choice questions based test.

MCQs on Physical and Chemical Changes Quiz pdf Download Worksheets 26

MCQ. Formula of ammonia is

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

B

MCQ. Definite 'volume'

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

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. physically bonded
  2. chemically bonded
  3. biologically bonded
  4. permanently bonded

B

MCQ. Plastic was accidently invented when inventor 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. his favourite dish

B