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Chemistry

Chemistry
Which one is the most reactive gaseous element

Flourine
Bromine
Chlorine
Iodine

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Chemistry
The acid which fails to liberate carbon dioxide from sodium bicarbonate is :

Acetic acid
Formic acid
Sulphuric acid
Carbonic acid

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Chemistry
When ice cubes are made, the entropy of water

Increases
Does not change
Decreases
May either increase or decrease depending on the process used

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Chemistry
Mercury is a :

Solid metal
Liquid non-metal
Liquid metal
Solid non-metal

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Chemistry
Which is the purest commercial form of iron ?

Stainless steel
Pig iron
Wrought iron
Steel

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Chemistry
Inert gases are

Not stable
Chemically unreactive
Miscible with water
Chemically very active

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MORE MCQ ON Chemistry

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