We were told that food is the fuel for our body. Explain.

Two soilds of same mass but the specific heat of one being greater then that of the other are heated equally.Explain in which body the rise of temperature will be more.

When Conc. H_2SO_4 is treated with chloride salt, a colourless pungent smelling HCl gas is produced, but when the same acid is treated with Bromide salt we get red vapour of bromine Explain.

What is the function of receptors in our body? Think of situations where receptors do not work properly. What problems are likely to arise?

A farmer has enough food to feed 20 animals in his cattle for 6 days. How long would the food last if there were 10 more animals in his cattle?

Consider the various options we have when we choose a fuel for cooking our food.

Name the site of production of blood cells in our body.