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 Rusting of iron takes place in the presence of.
  • A. Moisture
  • B. O2
  • C. Both moisture and O2
  • D. Dry air
2 Silver+ hydrogen suolphide+Oxygen--------------- Silver sulphide + water The above reaction is known as.
  • A. Combustion
  • B. Rusting
  • C. Tarmishing
  • D. Dehydration
3 A gas produced on heating solid potassium chlorate is.
  • A. Hydrogen
  • B. Carbon dioxide
  • C. Oxygen
  • D. Methane
4 What happens to water on heating.
  • A. Evaporates
  • B. Condense
  • C. Freez
  • D. None of these
5 The temperature at which a liquid's vapour pressure is equal to the external pressure surrounding the liquid is.
  • A. Melting point
  • B. Boiling point
  • C. Freezing point
  • D. Highest temperature.
6 Original colur or Nichrome wire is.
  • A. Silver grey
  • B. Red hot
  • C. White hot
  • D. None of these
7 Sajeet the one that is different from the otehrs.
  • A. Solubility
  • B. Conductance
  • C. Oxidation
  • D. Coiling of a substance
8 What are teh products when electric current is passed through water.
  • A. Only steam
  • B. Hydrogen and steam
  • C. Hydrogen and oxygen
  • D. Oxygen and steam
9 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
10 A physical change occurs when.
  • A. Iron rusts
  • B. Solution of common salt is heated
  • C. A piece of wood burns
  • D. Sygar us geated strongly

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Musaddiq Abbas

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Mateen Irfan

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Musaddiq Abbas

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Musaddiq Abbas

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Arfa Uzair

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Musaddiq Abbas

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Amna Noor

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Asad Khan

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23B062 Muhamma Musa Bin Faisal

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