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 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
2 Substancs whihc take part in a chemical reaction are called.
  • A. Products
  • B. Ractants
  • C. Elements
  • D. Compunds
3 Carbon burns in air to release energy along with the formation of.
  • A. Carbon dioxide and hydrogen
  • B. Carbon monoxide and hydrogen
  • C. Carbon di oxide
  • D. Carbon dioixe and water
4 Law fo conservation of mass was put forward by
  • A. Newton
  • B. Plank's
  • C. Lavoisier
  • D. Einstein
5 The chemicla reaction during which a compound splits up into two or more simple substanes, is called.
  • A. Additon reaction
  • B. Decomposition
  • C. Replacement reaction
  • D. Balanced reaction
6 Law of conservation of mass put forward in.
  • A. 1783
  • B. 1784
  • C. 1785
  • D. 1786
7 Thermal decompositionof calcium carbonate produces a gas.
  • A. Oxygen
  • B. Carbon di oxide
  • C. Nitrogen
  • D. Carbon monoxide
8 Exothermic reaction ae those reactions durng which heat is.
  • A. Given out
  • B. Remain same
  • C. Absorbed
  • D. Used
9 The equation in which the number of atoms of each element on both sides are not equal is called.
  • A. Quadratic equation
  • B. Unbalanced equation
  • C. Balanced equation
  • D. Standard equation
10 When methane is burnt in air, CO2 and.......... are formed.
  • A. O2
  • B. H2O
  • C. Glucose
  • D. Energy

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    21 May 2024

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    14 Oct 2019

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    20 Dec 2017

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