Wood is the main raw material for the manufacture of
A). Paint
B). Paper
C). Ink
D). Gun powder
1. What is "milk of magnesia' chemically ?
2. Milk tastes sour when it is left in open for some time.This happens due to the formation of
4. The propagation of sound waves in a gas involves
6. The element used for making solar cells is
7. Ethanol containing 5%. water is known as