7/29/2019 Science SA2 Paper 2013

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1. The frictional force exerted by fluid is called__________a) Drag b) sliding friction c) Rolling friction d) static friction.

2. Water gas is a mixture of_______a) CO2 + H2 b)SO2 +H2 c) CO + H2 d) CO2 + O2.

3.

The state of motion of a body is directed by ________a) The speed only b)Its direction of motionc) Its speed and direction of motion only d)none of these.

4. The type of coal which contain 90% carbon is _______

a) Peat b)Lignite c)Bituminous d) Anthracite.

5. The body will float in water, if the weight of the body is _________ the

force exerted by the water

a)Exceeds the force exerted by the water b) is less than the force

c)is equal to d)none of these.

6. Mixture of