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Chemistry

Chemistry
Chemical name of common salt is

Sodium
Sodium Oxide
Sodium Bicarbonate
Sodium Chloride

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Chemistry
In which of the following substances all carbon atoms are quaternary in nature ?

Napthalene
Diamond
Teflon
Graphite

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Chemistry
Muddy water is treated with alum in purification process, itis termed as :

Absorption
Emulsification
Coagulation
Adsorption

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Chemistry
The temperature of oxy-acetylene flame is around

3600°C
3200°C
4000°C
2800°C

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Chemistry
The anode of a dry cell is made up of

Lead
Zinc
Iron
Cadmium

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Chemistry
Name two elements that find wide application in transistor industry

Silicon and Germanium
Carbon and Platinum
Iridium and Germanium
Tungsten and Platinum

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