6th Chapter

8th General Science English Medium Chapter 6 Test

Here you can prepare 8th General Science English Medium Online MCQ's Test. Click the button for 8th General Science English Medium Chapter 6 100% free full practice test.

8th Class Science Chapter 6 MCQ Test With Answer for Science chapter 6

8th Class Science Chapter 6 MCQ Test With Answer for Science chapter 6

Sr. # Questions Answers Choice
1 Thermal decompositionof calcium carbonate produces a gas.
  • A. Oxygen
  • B. Carbon di oxide
  • C. Nitrogen
  • D. Carbon monoxide
2 During photosynthesis in plants, carbon dioxide CO2 and water react to produce.
  • A. Water
  • B. Energy
  • C. Glucoe
  • D. CO2
3 Fire works is an example of ........... reactions.
  • A. Addition
  • B. Exothermic
  • C. Endothermic
  • D. Decomposition
4 Exothermic reaction ae those reactions durng which heat is.
  • A. Given out
  • B. Remain same
  • C. Absorbed
  • D. Used
5 Heating of solid potassium chlorate produces a gas.
  • A. Chlorine
  • B. Carbon dioxide
  • C. Carbon mono oxide
  • D. Oxygen
6 Law fo conservation of mass was put forward by
  • A. Newton
  • B. Plank's
  • C. Lavoisier
  • D. Einstein
7 The product fo the reaction between zinc and dilute sulphuric acid are.
  • A. Zinc oxide and water
  • B. Zinc sulphide and water
  • C. Zinc sulphate and hydrogen
  • D. Zinc sulphide and hydrogen
8 Substancs whihc take part in a chemical reaction are called.
  • A. Products
  • B. Ractants
  • C. Elements
  • D. Compunds
9 Symbol and formulae of the reactants are written on....... side fo arrow.
  • A. Left
  • B. Right
  • C. Upward
  • D. Both side
10 When methane is burnt in air, CO2 and.......... are formed.
  • A. O2
  • B. H2O
  • C. Glucose
  • D. Energy

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  • Sweet Home

    21 May 2024

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    14 Oct 2019

    informative

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    20 Dec 2017

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