Free CBSE Class 8 Science Combustion and Flame Worksheets

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Sample CBSE Class 8 Science Combustion and Flame Worksheet Questions

1.
Fill in the blanks: The colour of innermost zone of unburnt wax is ___________.
2.
State True or False: Water is suitable extinguisher for fire involving electrical equipments.
1. true 2. false
3.
State True or False: Sun produces heat and light due to nuclear reaction.
1. true 2. false
4.
Choose the correct option: The substance that doesn't burn with flame is _________.
1. LPG 2. camphor 3. charcol 4. dry grass
5.
Choose the correct option: Magnesium ribbon on burning in air produces.
1. magnesium oxide, water and light 2. magnesium oxide, light and heat 3. magnesium oxide and heat 4. magnesium oxide and water
6.
State True or False: Charcol is better than wood.
1. true 2. false
7.
How baking soda extinguishes the fire?
8.
Fill in the blanks: Fuel efficiency of biogas is ________ than that of LPG.
9.
Why a person is covered with a blanket when the clothes of that person catch fire?
10.
Fill in the blanks: A device used to extinguish fire is called _________________.

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