The chemical (Ethyl Mercaptan) added to the otherwise odourless LPG cooking gas for imparting a detectable smell to the gas is a compound of:
A). Bromine
B). Fluorine
C). Chlorine
D). Sulphur
2. Which of the following liquids has the least density ?
3. The age of most ancient geological formations is estimated by
4. Triceps and biceps are examples of
5. Milk tastes sour when kept in the open for sometime due to the formation of .
7. The major harmful gas emitted by automobile vehicle which causes air pollution is
9. Which one of the following is extensively used for sterilizing water ?
10. Which of the following is chiefly present in LPG (Liquefied Petroleum Gas)?