6th Chapter

8th Science Urdu Medium Chapter 6 Test

Here you can prepare 8th Science Urdu Medium Chapter 6 Test. Click the button for 8th Science Urdu 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 Law of conservation of mass put forward in.
  • A. 1783
  • B. 1784
  • C. 1785
  • D. 1786
2 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
3 Heating of solid potassium chlorate produces a gas.
  • A. Chlorine
  • B. Carbon dioxide
  • C. Carbon mono oxide
  • D. Oxygen
4 Exothermic reaction ae those reactions durng which heat is.
  • A. Given out
  • B. Remain same
  • C. Absorbed
  • D. Used
5 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
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 How many oxygen atoms are present in onw molecule of Mg(HCO3)2
  • A. 2
  • B. 4
  • C. 6
  • D. 8
8 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
9 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
10 Fire works is an example of ........... reactions.
  • A. Addition
  • B. Exothermic
  • C. Endothermic
  • D. Decomposition

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  • A

    Alishba Khalid

    29 Jan 2016

    good

    Like (1)
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