The property of a substance to absorb moisture from the air on exposure is called
A). Osmosis
B). Deliquescence
C). Efflorescence
D). Desiccation
1. The function of skimming tank in sewage treatment is to remove
2. About how much blood is in the circulatory system of an average person?
4. Which of the following alkali metals has highest specific heat?
5. Which of the following metals causes ItaiItal disease ?
6. The material used in the manufacture of lead pencil is
7. Vehicle tyres are inflated properly
8. Why two thin shirts can keep us warmer than a single thick shirt in winter ?
10. Which inetal does not undergo corrosion due to the formation of oxide layer?