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Chemistry

Chemistry
Major gaseous pollutant of the thermal power station is

NH3
NO2
H2 S
SO2

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Chemistry
The laws of electrolysis are given by

Lewis
Faraday
Arrhenius
Ostwald

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Chemistry
The hydronium ion is

H+
H2+
H3O+
HO -

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Chemistry
Which mineral is the ore of aluminium ?

Bauxite
Magnetite
Siderite
Haematite

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Chemistry
Which one is the simplest form of alkane

Propane
Methane
Decane
Butane

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Chemistry
The percentage of carbon in cost iron is :

0.01 to 0.25
6 to 8
0.5 to 1.5
3 to 5

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