Question

1. 1 metric ton is equal to

a. 100 quintals b. 10 quintals c. 1/10 quintals d. 1/100 quintals

2. The centrifugal force is

a. a real force b. the force of reaction of centripetal force

c. a virtual force d. directed towards the centre of the circular path

3. _______ has the same properties throughout the sample.

a. Pure substance b. Mixture c. Colloid d. Suspension

4. The separation of denser particles from lighter particles done by

rotation at high speed is called ____

a. Filtration b. Sedimentation c. Decantation d. Centrifugation​

Answer 1

Explanation:

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Answer 2

Answer:

1) (c) 10 quintals

2) (d) directed towards the centre of the circular path

3) (a) Pure substance

4) (d) Centrifugation