1.In a dry cell (battery) which are used as Electrolytes?
Ans : Ammonium chloride and zinc chloride
2. Nitroglycerine is used as:
Ans: an explosive
3. In the structure of planet Earth below the mantle the core is mainly made up of
Ans Iron
4. In the context of Indian wild life the flying fox is
Ans: Bat
5. Pearl is mainly constituted of
Ans Calcium Carbonate
6. By which process can the sea water be converted into pure water?
Ans: Reverse Osmosis
7. The symbol of World Wildlife Fund is
Ans: Red Panda
8. The inexhaustible source of energy of the stars is due to
Ans: Conversion of Hydrogen to Helium
9. A flourescent tube is preferred to an electric bulb because
Ans: in a tube electrical energy is almost fully converted to light
10. Vinegar is an aqueous solution of
Ans: Acetic acid
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