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 Heating of solid potassium chlorate produces a gas.
  • A. Chlorine
  • B. Carbon dioxide
  • C. Carbon mono oxide
  • D. Oxygen
3 Law of conservation of mass put forward in.
  • A. 1783
  • B. 1784
  • C. 1785
  • D. 1786
4 During photosynthesis in plants, carbon dioxide CO2 and water react to produce.
  • A. Water
  • B. Energy
  • C. Glucoe
  • D. CO2
5 When methane is burnt in air, CO2 and.......... are formed.
  • A. O2
  • B. H2O
  • C. Glucose
  • D. Energy
6 During a chemical reaction, total mass of the product is equal to the total mass of reactants, this is a statements of.
  • A. Law of conservation of momentum
  • B. Law of conservation of energy
  • C. Law of conseration of mass
  • D. Law of conseration of acceleration
7 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
8 Law fo conservation of mass was put forward by
  • A. Newton
  • B. Plank's
  • C. Lavoisier
  • D. Einstein
9 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
10 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

Top Scorers of General Science 8th Class English Medium Chapter 6 Online Test

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Maryam A

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Maryam A

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36 Sec
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Wajiha Shahid

Lahore11 - May - 2025

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Kashif Hussain

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Kashif Hussain

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Majid Asghar

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Majid Asghar

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Wajiha Shahid

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Fizza Fizza Maryam

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Maryam A

Lahore17 - Jul - 2025

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36 Sec
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Maryam A

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Kashif Hussain

Lahore17 - Jul - 2025

18/20
38 Sec

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  • Sweet Home

    21 May 2024

    good

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    14 Oct 2019

    informative

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    20 Dec 2017

    Nice

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