5th Chapter

7th General Science English Medium Chapter 5 Test

Here you can prepare 7th General Science English Medium Test. Click the button for 7th General Science English Medium Chapter 5 100% free full practice test.

7th Class General Science MCQ Test With Answer for Science chapter 5

7th Class General Science MCQ Test With Answer for Science chapter 5

Sr. # Questions Answers Choice
1 A piece of iron is kept in open air for 5 days. A film of corrosion formed over it is.
  • A. Iron oxide
  • B. Iron sulphide
  • C. Iron Chloride
  • D. Iron Hydride
2 On heating sugar changes into
  • A. Carbon
  • B. Water
  • C. Both carbon and water
  • D. Heat
3 What happens to water on heating.
  • A. Evaporates
  • B. Condense
  • C. Freez
  • D. None of these
4 Freezing of a liquid is a
  • A. Chemical change
  • B. Chemicla property
  • C. Physical change
  • D. None of these
5 Chemical reaction of oxygen with other substances is called.
  • A. Oxidation
  • B. Reduction
  • C. Rusting
  • D. None of these
6 During combustion, a substance reacts with
  • A. Hydrogen
  • B. Water
  • C. Oxygen
  • D. Carbon di oxide
7 Sajeet the one that is different from the otehrs.
  • A. Solubility
  • B. Conductance
  • C. Oxidation
  • D. Coiling of a substance
8 Product fo combustion is.
  • A. C
  • B. O2
  • C. CO2
  • D. All of these
9 Silver+ hydrogen suolphide+Oxygen--------------- Silver sulphide + water The above reaction is known as.
  • A. Combustion
  • B. Rusting
  • C. Tarmishing
  • D. Dehydration
10 Original colur or Nichrome wire is.
  • A. Silver grey
  • B. Red hot
  • C. White hot
  • D. None of these

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Musaddiq Abbas

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