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6th Chapter

8th Science English Medium Chapter 6 Test

Here you can prepare 8th Science English Medium Chapter 6 Test. Click the button for 8th 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 Exothermic reaction ae those reactions durng which heat is.
  • A. Given out
  • B. Remain same
  • C. Absorbed
  • D. Used
3 Fire works is an example of ........... reactions.
  • A. Addition
  • B. Exothermic
  • C. Endothermic
  • D. Decomposition
4 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
5 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
6 Law fo conservation of mass was put forward by
  • A. Newton
  • B. Plank's
  • C. Lavoisier
  • D. Einstein
7 Law of conservation of mass put forward in.
  • A. 1783
  • B. 1784
  • C. 1785
  • D. 1786
8 How many oxygen atoms are present in onw molecule of Mg(HCO3)2
  • A. 2
  • B. 4
  • C. 6
  • D. 8
9 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
10 Symbol and formulae of the reactants are written on....... side fo arrow.
  • A. Left
  • B. Right
  • C. Upward
  • D. Both side

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

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Soha Syed

Lahore22 - Oct - 2023

20/20
23 Sec
S

Soha Syed

Lahore22 - Oct - 2023

20/20
25 Sec
S

Soha Syed

Lahore22 - Oct - 2023

20/20
25 Sec
S

Soha Syed

Lahore22 - Oct - 2023

20/20
26 Sec
S

Soha Syed

Lahore22 - Oct - 2023

20/20
27 Sec
S

Soha Syed

Lahore22 - Oct - 2023

20/20
28 Sec
S

Soha Syed

Lahore22 - Oct - 2023

20/20
29 Sec

Muhammad Aneeq

Lahore31 - Oct - 2023

20/20
29 Sec
S

Soha Syed

Lahore22 - Oct - 2023

20/20
30 Sec
S

Soha Syed

Lahore22 - Oct - 2023

20/20
31 Sec
S

Soha Syed

Lahore22 - Oct - 2023

20/20
32 Sec

Muhammad Aneeq

Lahore29 - Oct - 2023

20/20
34 Sec
S

Soha Syed

Lahore22 - Oct - 2023

20/20
35 Sec
I

Inoxcent Bou

Lahore19 - Sep - 2023

20/20
39 Sec

Muhammad Aneeq

Lahore31 - Oct - 2023

20/20
39 Sec

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  • A

    Aliha

    14 Oct 2019

    informative

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    Muhammad Awais

    20 Dec 2017

    Nice

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