Chemistry -Important One Liners

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1-Electric bulbs are filled with Argon.

2-The purest form of iron is Wrought iron

3-The anode of a dry cell is made up of Zinc

4- Helium gas is filled in balloons because it is lighter than air

5-Non-Stick Kitchen wares are coated with Teflon

6-The isotopes used for the production of atomic energy is U-235

7-The material used in the manufacture of lead pencil is Graphite


8-Detergents are Sodium salts of sulphonic acids

9-The noble gas used in radiotherapy is Radon

10-Hydrogen Bomb is based on the principle of uncontrolled fusion reaction

11-Oxides of sulphur and carbon released during combustion of fuels dissolve in rain water to give acid rain

12-Liquefied Petroleum gas (LPG) burns with a Non-Luminous flame

13- The technique of calculating the age of fossil organisms is Radioactive Dating

14- Charcoal is used in water treatment as a Adsorbent

15-The chemical used to developing Photographic films is Silver Bromide

16- The lightest radioactive element is Tritium

17-Alcohol prepared by the distillation of wood is Methyl Alcohol

18-The process by which milk is converted to curd is called Fermentation

19-The most common cause of pollution of air is Sulphur Dioxide

20-Lignite is known as BROWN COAL

21-One carat of diamond is equal to 200mg

22-Iron is extracted from Haematite

23-Graphite is used as a moderator in nuclear reactors

24- Milk is Emulsion

25-The two metal ions that cause hardness to water are Calcium , Magnesium

26-The chemical substance present in bones and teeth Calcium Phosphate

27- The Green House Effect is produced due to the presence of excess amount of Methane

28-If the lime water is kept in the air , it turns milky due to presence of Carbon Dioxide

29-The National Chemical Laboratory (India) is located in Pune

30-Diamond is harder than graphite because of difference in layers of atoms

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