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Chemistry

Chemistry
The iron ore magnetite consists of

Fe3OH4
FeCO3
Fe2O3
3Fe2O3 .. 3H2O

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Chemistry
The sewage obtained from water closets and urinals is known as

Sullage
Garbage
Industrial waste
Sanitary waste

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Chemistry
Conversion of chemical energy into electrical energy occurs in

A battery
Atomic bombs
Dynamo
Electric heaters

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Chemistry
If water smells bad, then that odour can be removed by adding

Alum
Bleach
Deactivated nitrogen
Activated carbon

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Chemistry
Thermal electricity is generated by using which of these ?

None of these
Coal, Natural Gas and Petroleum
Coal only
Coal and Natural Gas only

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Chemistry
Which of the following has least negative electron gain enthalpy

S
F
P
Cl

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