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Chemistry

Chemistry
Which one of the following is an example of a gel ?

Face cream
Cheese
Milk
Shaving cream

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Chemistry
The natural resource, known as black gold is

Tin
Lead
Coal
Platinum

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Chemistry
The percentage of carbon in cost iron is :

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

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Chemistry
Conversion of chemical energy into electrical energy occurs in

A battery
Dynamo
Electric heaters
Atomic bombs

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Chemistry
Food cans are coated with tin and not with zinc because

Zinc is less reactive than tin
Zinc is costlier than tin
Zinc is more reactive than tin
Zinc has a higher melting point than tin

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Chemistry
Magnetite is

2Fe2O3. 3H2O
FeCO3
Fe2O3
Fe3O4

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MORE MCQ ON Chemistry

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