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Chemistry

Chemistry
A mixture of water and alcohol can be separated by

Distillation
Filtration
Evaporation
Decantation

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Chemistry
Which one of the following does not contain Silver ?

Lunar Caustic
Horn Silver
German Silver
Ruby Silver

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Chemistry
In arc welding, Argon is used because of its

High flammability
High calorific value
Ability to lower the melting point of the metal
Low reactivity with metal

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Chemistry
An element of atomic no. 29 belongs to

F-block
D-block
S-block
P-block

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Chemistry
Dry ice is the solid form of :

Air
Nitrogen
Carbon di–oxide
Water

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Chemistry
The purest form of Iron is :

Steel
Cast iron
Wrought iron
Pig iron

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MORE MCQ ON Chemistry

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