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 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
2 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
3 Law of conservation of mass put forward in.
  • A. 1783
  • B. 1784
  • C. 1785
  • D. 1786
4 The reaction between calcium oxide and carbon dioxide to form calcium carbonate is an example of.
  • A. Decomposition reaction
  • B. Addition reaction
  • C. Acid-Base reaction
  • D. Neutralizaion reaction
5 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
6 Symbol and formulae of the reactants are written on....... side fo arrow.
  • A. Left
  • B. Right
  • C. Upward
  • D. Both side
7 Thermal decompositionof calcium carbonate produces a gas.
  • A. Oxygen
  • B. Carbon di oxide
  • C. Nitrogen
  • D. Carbon monoxide
8 During photosynthesis in plants, carbon dioxide CO2 and water react to produce.
  • A. Water
  • B. Energy
  • C. Glucoe
  • D. CO2
9 Fire works is an example of ........... reactions.
  • A. Addition
  • B. Exothermic
  • C. Endothermic
  • D. Decomposition
10 Heating of solid potassium chlorate produces a gas.
  • A. Chlorine
  • B. Carbon dioxide
  • C. Carbon mono oxide
  • D. Oxygen

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

A

Abdul Rouf

Lahore27 - Mar - 2025

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Saeed Ahmed Khan

Lahore20 - Mar - 2025

20/20
33 Sec
S

Saeed Ahmed Khan

Lahore20 - Mar - 2025

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33 Sec
A

Asra Qureshi

Lahore20 - Feb - 2025

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36 Sec
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Muhammadkhalid Muhammadkhalid

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53 Sec
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Saeed Ahmed Khan

Lahore21 - Mar - 2025

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54 Sec
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Saeed Ahmed Khan

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55 Sec
I

Imran Raza

Lahore17 - Feb - 2025

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59 Sec
A

Asra Qureshi

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01 Mins 01 Sec
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Saeed Ahmed Khan

Lahore20 - Mar - 2025

20/20
01 Mins 11 Sec
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Saeed Ahmed Khan

Lahore21 - Mar - 2025

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Saeed Ahmed Khan

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Noor Jadoon

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    21 May 2024

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    14 Oct 2019

    informative

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    20 Dec 2017

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