Question

Please give the observation ​

Answer 1

ACTIVITY 2: THERE WILL BE LEFT SALT...BCOZ IF U PUT WATER WITH DISSOLVED SALT IN IN IT,THE WATER WILL EVAPORATE AND SALT WILL BE LEFT....

Answer 2

Answer:

1.the nail moistened with water will form rust on it .

2.the salt will be left behind.

Explanation:

1.the the water on the nail reacts with iron in the atmosphere and form rust.

2. the water evaporation leaving behind the salt on the plate