Class 7 Science Study App | Physical and Chemical Changes MCQs e-Book PDF

Class 7 Science MCQs (Grade 7) From Textbook

Class 7 Science Competitive Exam MCQs – Practice Test 5 (Chapter 17)

Physical and Chemical Changes MCQs with Answers PDF Download – Test 5

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Learn Physical and chemical changes Multiple Choice Questions (MCQs) with Answers PDF (Physical and Chemical Changes MCQs PDF e-Book) download Ch. 17-5 to study Class 7 Science Course. Learn Physical and Chemical Changes Quiz Questions and Answers to succeed STEM assessments. Free Class 7 Science Study App: Download the Physical and Chemical Changes MCQs App to polythene, polyvinyl chloride, iron and sulphur, making plastics, solids liquids and gases test prep for science achievement learning systems.

Free "Class 7 Science Study" App Download with MCQ: 'Ethene' is composed of; with answers: one carbon and one hydrogen atom, two carbon and three hydrogen atoms, two carbon and four hydrogen atoms, and three carbon and six hydrogen atoms to succeed STEM assessments. Solve Polythene MCQ Questions, download Google e-Book (Free Chapter) to enroll virtual programs.

Physical and Chemical Changes MCQs – Practice Test 5 PDF Download

MCQ 21: 'Ethene' is composed of:

  1. two carbon and three hydrogen atoms
  2. one carbon and one hydrogen atom
  3. two carbon and four hydrogen atoms
  4. three carbon and six hydrogen atoms

MCQ 22: To make flexible items a substance is added to PVC. This substance is known as:

  1. ester
  2. ketone
  3. halo alkane
  4. plasticizer

MCQ 23: The symbol of 'sulphur' is:

  1. Fe
  2. Su
  3. S
  4. Ti

MCQ 24: Natural substances made up of long molecules are:

  1. plastic and rubber
  2. rubber and wool
  3. wool and plastic
  4. wood and plastic

MCQ 25: The density of gases is:

  1. lower than liquids but higher than solids
  2. lower than solids but higher than liquids
  3. higher than solids and liquids
  4. lower than solids and liquids

Physical and Chemical Changes MCQs App & e-Book – Class 7 Science Competitive Exam

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