Which of the following rays are the most penetrating?
A). Beta rays
B). Alpha rays
C). Gamma rays
D). X-rays
1. Cloud is a colloidal dispersion of
3. Aqua regia is a 1:3 mixture by volume of
4. The Bhopal gas tragedy was caused by the gas
5. Which of the following schemes is launched for the school going children:
6. Nucleus of an atom consists of
7. Denatured spirit is ethanol mixed with
8. Electric bulbs are filled with :
9. When the main switch of the house is put off it disconnects the
10. Which of the following compounds is commonly used as an antiseptic in mouthwashes and toothpastes?