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Chemistry

Chemistry
________ gives hardness to stainless steel.

Carbon
Lead
Tin
Zinc

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Chemistry
The wire of flash bulbs is made up of

Mg
Ag
Cu
Ba

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Chemistry
Exposure to mixtures of chemicals are greater than expected on the basis of effects of exposure to each chemical individually. This is known as

Independent
Synergism
Additives
Antagonism

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Chemistry
A metal is exposed to the atmosphere for sometime. It becomes coated with green carbonate. The metal must be

Silver
Copper
Zinc
Aluminium

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Chemistry
Which of the following alkali metals has highest specific heat?

Lithium
Rubidium
Potassium
Caesium

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Chemistry
The metal used to recover copper from a solution of copper sulphate is

Na
Ag
Fe
Hg

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