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Chemistry

Chemistry
Plastic is a type of

None of these
Polymer
Acrylic
Polyester

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Chemistry
Among the following iron ores, the highest percentage of iron content is found in–

None of these
Magnetite
Haemetite
Limnonite

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Chemistry
Hamburger effect is otherwise known as–

Anaerobic metabolism
Respiratory product
Chloride shift
Sodium pump

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Chemistry
The main source of carbon monoxide is

Transportation
Solid waste disposal
Industrial process
Fuel combustion

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Chemistry
Sea water is saltier than rain water because

The air around the sea is saltish
Rivers wash away salts from earth and pour them into the sea
Sea beds have salt producing mines
Sea animals are salt producing

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Chemistry
Stains of rust on clothes can be removed by :

Alcohol
Oxalic acid
Petrol
H2O2

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