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8th Class General Science Chapter 6 Online Test
8th Class English Medium Subjects
8th Class Urdu Medium Subjects
MCQ's Test For Chapter 6 "General Science 8th Class English Medium Chapter 6 Online Test"
Try The MCQ's Test For Chapter 6 "General Science 8th Class English Medium Chapter 6 Online Test"
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Total Questions10
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Time Allowed10
General Science 8th Class English Medium Chapter 6 Online Test
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Question # 1
During a chemical reaction, total mass of the product is equal to the total mass of reactants, this is a statements of.
Question # 2
Exothermic reaction ae those reactions durng which heat is.
Question # 3
The equation in which the number of atoms of each element on both sides are not equal is called.
Question # 4
Law fo conservation of mass was put forward by
Question # 5
The chemicla reaction during which a compound splits up into two or more simple substanes, is called.
Question # 6
Thermal decompositionof calcium carbonate produces a gas.
Question # 7
Fire works is an example of ........... reactions.
Question # 8
Law of conservation of mass put forward in.
Question # 9
Carbon burns in air to release energy along with the formation of.
Question # 10
How many oxygen atoms are present in onw molecule of Mg(HCO3)2
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.
Top Scorers Of Chapter 6 "General Science 8th Class English Medium Chapter 6 Online Test" MCQ`s Test
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S Salma Batool 22 - Dec - 2024 00 Min 12 Sec 20/20 -
F Farhan Jutt 16 - Jan - 2025 00 Min 36 Sec 20/20 -
M Mujahid Saleem 18 - Dec - 2024 01 Min 12 Sec 20/20 -
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K Kousar Tasleem 18 - Dec - 2024 00 Min 59 Sec 16/20
| Sr.# | Question | Answer |
|---|---|---|
| 1 | Symbol and formulae of the reactants are written on....... side fo arrow. |
A. Left
B. Right
C. Upward
D. Both side
|
| 2 | Thermal decompositionof calcium carbonate produces a gas. |
A. Oxygen
B. Carbon di oxide
C. Nitrogen
D. Carbon monoxide
|
| 3 | 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
|
| 4 | Exothermic reaction ae those reactions durng which heat is. |
A. Given out
B. Remain same
C. Absorbed
D. Used
|
| 5 | Heating of solid potassium chlorate produces a gas. |
A. Chlorine
B. Carbon dioxide
C. Carbon mono oxide
D. Oxygen
|
| 6 | During photosynthesis in plants, carbon dioxide CO2 and water react to produce. |
A. Water
B. Energy
C. Glucoe
D. CO2
|
| 7 | 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
|
| 8 | Fire works is an example of ........... reactions. |
A. Addition
B. Exothermic
C. Endothermic
D. Decomposition
|
| 9 | Law fo conservation of mass was put forward by |
A. Newton
B. Plank's
C. Lavoisier
D. Einstein
|
| 10 | 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
|
Test Questions
