Detergents used for cleaning clothes and utensils contain?
A). Bicarbonates
B). Bismuthates
C). Sulphonates
D). Nitrates
1. Solder metal is an alloy of
2. Who developed Hydrogen Bomb?
3. Muscles, which are immune to fatigue, are
4. Which of the following is used for refrigeration?
5. Of the following anatomical structures, which is homologous to the wing of a bat?
6. Which of the following is an example of a point mutation?
7. The metal used to make lightning conductors is
8. The substance most commonly used as a food preservative is