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Chemistry

Chemistry
A detergent is a

Cleansing agent
Soap
Drug
Catalyst

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Chemistry
In sugar solution,

Sugar is solvent, water is solute
Sugar is solute, water is solvent
Both are solvents
Both are solutes

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Chemistry
Which type of fire extinguisher is used for petroleum fire ?

Foam type
None of these
Powder type
Soda acid type

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Chemistry
Which one of the following is not a characteristic feature of alloys? They are

Homogeneous systems
Mixtures
Solutions
Compounds

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Chemistry
The process of covering water pipes made of Iron with Zinc layer to prevent corrosion is called :

Vulcanization
Zinc plating
Galvanization
Alloy formation

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Chemistry
Hydrogen is not found in atmosphere because

It is absorbed by plants
It is highly inflammable
It is the lightest gas
It immediately combines with oxygen to form water

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