Chemistry,

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 Chemistry -Important One Liners

1- The most important ore of aluminium is bauxite

2- An alloy used in making heating elements for electric heating devices is nichrome

3- German silver is an alloy of zinc, copper and nickel

4-Balloons are filled with helium

5- The most abundant metal in the earth’s crust is  aluminium

6-The charcoal use to decolourise raw sugar is wood charcoal

7-The gas used to extinguish fire, is carbon dioxide

8-The element common to all acids is hydrogen

9-The most malleable metal is Gold

10- Tetraethyl lead is used as petrol additive

11-Sulphur is used in beauty parlours for hair setting

12-Gobar gas contains mainly methane

13-Hydrolysis reaction is carried out by the lipase in the digestion of fats

14-Metal used to make wires for safety fuses must have high resistivity and low melting point

15- The ultra pure metal is obtained by zone refining

16-    Vermicompost is a/an organic bio fertilizer

17-Reverse osmosis is involved for desalination of sea water

18-The pungent smell of garlic is due to a sulphur compound

19-The light emitted by firefly is due to burning of phosphorus

20-Hydrogenation reaction is responsible for the transformation of inexpensive liquid vegetable fats into commercially important solid fats (e.g. ghee)

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