Physical and Chemical Changes Multiple Choice Questions and Answers 26 PDF Download

Learn physical and chemical changes multiple choice questions, grade 7 science online test 26 for elementary school degree online courses, distance learning for exam prep. Practice making ammonia multiple choice questions (MCQs), physical and chemical changes quiz questions and answers for science class for 7th grade science homework help.

Study elementary school science multiple choice questions (MCQs): formula of ammonia is, for free online courses with choices nh3, nh2, nh4, and nh5, making ammonia quiz for 7th grade school students for online learning 7th grade science worksheets. Free science study guide for online learning making ammonia quiz questions 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'

  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