Class : VIII
Subject : Science ...
Chemistry, 11.03.2021 14:00 itsyagirlbella
Class : VIII
Subject : Science
I .Choose the correct 10 X 1 = 10
1. The process of loosening of the soil is called
(a) Tilling (b) harvesting (c) Spraying (d)Weeding
2. Alcohol is produced with the help of
(a) Sodium chloride (b)Yeast (c) nitrogen (d) Carbondioxide
3. Which fibre is used as a artificial wool?
(a) Acrylic (b) Rayon (c) Nylon (d) Cotton
4. The metal which is liquid at room temperature
(a) Sodium (b) Bromine (c) Calcium (d)Mercury
5. Which one is not a coal product?
(a) Coal tar (b) coal gas (c) Lime (d)Coke
6. Name the process undertaken by plant for preparing their own food
(a) Industrialisation (b) Photosynthesis (c) stealing (d)Sterilisation
7. A friction is a
(a) non – contact force (b) contact force (c) Magnetic force
(d) Electrostatic force
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8. The voice box is also called as
(a) stomach (b) Heart (c) Larynx (d)Mouth
9. Beam of light striking the reflecting surface is called
(a) reflected ray (b) incident ray (c) normal ray (d) none of these
10. The force exerted by the earth to pull the object towards itself is called
(a) Electrostatic force (b) gravitational force (c) muscular force
(d) contact force answer all please I mark you brainlest
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