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Chemistry

Chemistry
The percentage of carbon in cost iron is :

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

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Chemistry
The gas involved in Bhopal incident was

Hydrogen sulphide
Nitrogen dioxide
Methyl chloride
Methyl isocyanide

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Chemistry
Drinking soda is

Alkaline
Acidic
Oxidant
Neutral

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Chemistry
A fertile soil is likely to have a pH of

43989
14
9
3

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Chemistry
Which mineral is the ore of aluminium ?

Siderite
Haematite
Magnetite
Bauxite

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Chemistry
The number of neutrons present in an element having mass number 226 and atomic number 88 is :

138
88
314
50

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