When you are cooking vegetables generally you add salt to vegetables during cooking. After adding salt, vegetables release wafer. What mechanism is responsible for this ?

Generally farmers grow varieties of vegetables during rainy season. Can you guess the reason.

What happens when you pack bread (or) vegetables and keep for a couple of days?

What do you know about vegetable carving ? What is the use of it ?

What do you observe on the cut pieces of fruits and vegetables? Why do they change their colour?

In what season do you find more varieties of vegetable in the market. Why?

Do you think rotting vegetation and animal remains are important for the soil ? In what way ?

Collect sweet potato, bottle, salt, and water. Take.a bottle full of water and add salt, then put.sweet potato inside the bottle. Observe for a few days. What happens? Note your observations. How can you prove that sweet potato is also a living thing?

When dilute ferrous (Fe^(2+)) salt solution is added to an aqeous solution containing nitrate (NO_(3)^(-)) ion followed by the addition of conc. H_(2)SO_(4) forms a brown colored ring. What is te chemical composition of the complex that is responsible for this brown colored ring.

Detergents are sodium of potassium salts of sulphonic acids. Phosphates are added to commercial detergents because they form complex with metal ion that contributes water hardness and keep them dissolved. They also control acidity and micelle formation. Phosphates arediscouraged because there is overgrowth of vegetation and decay of dead plants reduceamount of dissolved oxygen. 1 mole of [AgI]Ag^(+) sol is coagulated by