Washing soda is the common name for
A). Sodium Carbonate
B). Calcium Bicarbonate
C). Sodium Bicarbonate
D). Calcium Carbonate
1. Which type of glass is used for making glass reinforced plastic?
2. Which of the following is a rich source of protein?
3. This group of alumino silicate minerals is widely used In making electrical insulators
4. Which of the following in automobile exhaust can cause cancer?
5. Which of the following is the correct sequence in food chain?
6. Percentage of carbon in steel i ranges from
7. Which of the following is a mutagen?
8. The part of the eye having the larges refractive index is :
9. Which one of the following elements is least likely to be found in commercial fertilisers?