Physical and Chemical Changes Multiple Choice Questions 26 PDF Download

Learn physical and chemical changes MCQs, grade 7 science test 26 for online courses learning and test prep, making ammonia multiple choice questions and answers. Making ammonia revision test includes science worksheets to learn for 7th grade science homework help.

Science multiple choice questions (MCQ) on formula of ammonia is with options nh3, nh2, nh4 and nh5, making ammonia quiz for competitive exam prep, viva interview questions with answers key. Free science study guide to learn 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


MCQ. Definite 'volume'

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


MCQ. Mixture of iron and sulphur is separated by

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


MCQ. Particles of iron sulfide are

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


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