Write any one function of the following minerals
a) Calcium   b) Sodium
c) Iron          d) Iodine

Explain any two methods of food preservation.

Sanjana wants to buy a jam bottle in a grocery shop. What are the things she should observe on the label before purchasing it

Give one reason for the following statements:
a. Salt is added as a preservative in pickles___________
b. We should not eat food items beyond the expiry date ______________
c. Deficiency of calcium in diet leads to poor skeletal growth ___________

What are the effects of consuming adulterated food?