Shreyas choked while eating dinner. How can you help him? What is the immediate help that can be give to him?

can you recall. What is shape of ClF_3

can you recall. What is oxidation state of Br in BrF_5

Answer the following : How can you increase the buoyant force acting on a body ?

How can you differentiate between free central and axile placentation?

How can you identify whether the plant is C_3 and C_4 . Explain.

A student obtained a clear image of window bars on a screen with the help of a convex lens. But in order to have the best image, his teacher suggested him to obtain the image of a distant tree. Where will the lens has to be moved in order to obtain a clear image?

Use your brain power: While hitting a ball with a bat, the speed of the bat decreases. How will you explain these with the help of Newton’s third law of motion?

Give reasons While working with a computer we can read the information stored in its memory and perform other actions in internal memory.

Suresh is down with diarrhoea. Suggest food that can help him with his stomach trouble.

The alternating current can be measured with the help of