Question

1) The functioning of the Satellite launch vehicle is based on ______

2) Priyanka introduced an iron nail in a test tube containing freshly prepared copper sulphate solution. What would she observe?

3) The temperature of water remains constant at_________ till all water converts into steam.

Answer 1

1-
2-She would observe the solution will turn green(due to formation of ferrous sulphate) and reddish brown deposits of Cu on the nail.
3-100 degree Celsius