Question

4. Explain how paintin
5. The distance between two stations is 240 km A train takes
4 hour to cover this distance. Calculate the speed of the train
. 6. Do you think an electromagnet can be used for
separating plastic bags from a garbage heap? Explain. (Ch-14
III. Answer the following questions: 3x6=18
1. What is stomata? Write two function of stomata. (Ch-1)
2. Name the type of Carbohydrate that can be
digested by ruminants but do not by humans. Give the reason
3. Describe the process of neutralization with the help of an exa
4. How would you show that setting of curd is a chemical chang
5. Show the shape of the distance time graph for
the motion in the following cases; (Ch-13)
i) A car moving with a constant speed​

Answer 1

Explanation:

Electromagnets are very widely used in electric and electromechanical devices, including:

Motors and generators.

Transformers.

Pickups.

Relays.

Electric bells and buzzers.

Loudspeakers and headphones.

Actuators such as valves.

Magnetic recording and data storage equipment: tape recorders, VCRs, hard disks.

Answer 2

Answer:

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