Elements and Compounds Multiple Choice Questions Test 4 Tests pdf Download

Practice science test 4 on elements and compounds MCQs, grade 7 what is element multiple choice questions and answers. What is element revision test has science worksheets with answer key with choices as chemical formula, chemical symbol, chemical properties and chemical reaction of multiple choice questions (MCQ) with what is element quiz as a process by which new substances are formed is called for competitive exam prep. Free science study guide to learn what is element quiz to attempt multiple choice questions based test.

MCQs on Elements and Compounds: Worksheets 4 Quiz pdf Download

MCQ. A process by which new substances are formed is called

  1. chemical symbol
  2. chemical formula
  3. chemical properties
  4. chemical reaction

D

MCQ. A molecules which breaks and gives of hydrogen and oxygen is

  1. water
  2. carbon dioxide
  3. air
  4. sodium chloride

A

MCQ. When magnesium element burn in oxygen it makes a compound

  1. magnesium peroxide
  2. magnesium oxide
  3. magnesium carbonate
  4. magnesia

B

MCQ. Salt, sugar, chalk, sand are all

  1. element
  2. compound
  3. mixture
  4. solute

B

MCQ. A gas which is used as cooling agent is

  1. carbon dioxide
  2. helium
  3. argon
  4. nitrogen

D