Question

7) What preventive and control measures are used before grains are stored for future use?
8) Calculate molar mass of the following
(a) Caco; (b) MgCl2 (c)H2SO4 (d) NaNO,​

Answer 1

Answer:

i am sry i dont know the 8th one

Explanation:

7) Preventive and control measures used before storage of grains:

Grains must be dried thoroughly otherwise there are chances of rotting.

Grains need to be stored in a room free of moisture.

Tin-boxes should be preferred as they are mice-proof.