Physical and Chemical Changes Multiple Choice Questions and Answers 21 PDF Book Download

Physical and chemical changes MCQs, physical and chemical changes quiz answers 21 to learn elementary school science courses online. Solids liquids and gases multiple choice questions (MCQs), physical and chemical changes quiz questions and answers for online elementary education degree. Iron and sulphur, physical changes, making ammonia, making plastics test for elementary school teaching certification.

Learn elementary school science multiple choice questions (MCQs): Iron and sulphur, physical changes, making ammonia, making plastics, with choices chemical variation, physical change, biological change, and chemical change for online elementary education degree. Free science study guide for online learning solids liquids and gases quiz questions to attempt multiple choice questions based test.

MCQ on Physical and Chemical Changes Worksheets 21 PDF Book Download

MCQ: Color of solid iron is

  1. green
  2. brown
  3. grey
  4. black

C

MCQ: Alteration of material without changing its chemical make-up is known as

  1. physical change
  2. chemical variation
  3. biological change
  4. chemical change

A

MCQ: Exothermic reaction of two elements, iron and sulfur, form compound,

  1. iron only
  2. sulphur only
  3. iron and sulphur both
  4. iron sulfide

D

MCQ: Ammonia' is an important component of

  1. water
  2. soil
  3. fertilizers
  4. insecticides

C

MCQ: Name of chemist who started plastic industry, is

  1. George Conner
  2. Alex Martin
  3. Leo Baekeland
  4. Robin Norman

C