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Chemistry

Chemistry
Of the following compounds of calcium, the one having highest covalent character is

Cal2
CaBr2
CaF2
Cacl2

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Chemistry
Hard steel contains

2 to 5 per cent carbon
0.1 to 0.4 per cent carbon
0.01 to 0.04 per cent carbon
0.5 to 1.5 per cent carbon

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Chemistry
Which of the following substance is highly plastic ?

Granite
Mica
Quartz
Clay

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Chemistry
Percentage of carbon in steel ranges from

0.1 to 1.5
3.0 to 4.0
1.5 to 3.0
4.0 to 6.0

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Chemistry
The unit to measure the flow of water is

Milli curie
Micro Mho
Ohm meter
Cusecs

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Chemistry
Burning pyrites ore gives out

Nitrogen dioxide gas
Carbon dioxide gas
Sulphur dioxide gas
Nitric oxide gas

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MORE MCQ ON Chemistry

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