Class 7 Science Learning App | Physical and Chemical Changes Notes e-Book PDF

Class 7 Science MCQs (Grade 7) From Textbook

Class 7 Science MCQs – Practice Test 24 (Chapter 17)

Physical and Chemical Changes Notes Questions with Answers PDF Download – Test 24

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Study Physical and chemical changes Notes Questions and Answers PDF for middle school science education. Download the Physical and Chemical Changes Quiz Answers PDF e-Book, Ch. 17-24 to study Class 7 Science Course. Practice Physical Changes MCQ PDF, Physical and Chemical Changes Quiz Questions and Answers for middle school science education. Download Class 7 Science Notes App: Free Physical and Chemical Changes Learning App to physical changes, making ammonia, chemical changes, solids liquids and gases test prep to gain science digitally.

Free Class 7 Science Notes App with MCQ: "When the liquid is cooled down, it changes into solid, this process is known as"; with answers: freezing, melting, condensation, and sublimation. Practice Physical Changes MCQ Questions, download Kobo e-Book (Free Chapter) to master environmental science.

Physical and Chemical Changes MCQs – Practice Test 24 PDF Download

MCQ 116: When the liquid is cooled down, it changes into solid, this process is known as:

  1. melting
  2. freezing
  3. condensation
  4. sublimation

MCQ 117: To make high temperature for formation of ammonia, the substance which is used, is:

  1. steel
  2. iron
  3. aluminum
  4. copper

MCQ 118: One or more new substances are formed due to:

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

MCQ 119: The first thing that happens during chemical reaction is that:

  1. a new substance is formed
  2. a substance is reversed to its components
  3. energy is given out
  4. atoms remain same

MCQ 120: The density of liquids is:

  1. lower than solids but higher than gases
  2. lower than solids and gases both
  3. higher than solids and gases both
  4. higher than solids but lower than gases

Physical and Chemical Changes Notes App & e-Book – Class 7 Science Admission Tests

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