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Chemistry

Chemistry
The strongest acid of the following is

M-nitrophenol
P-nitrophenol
O-nitrophenol
P-chlorophenol

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Chemistry
Which of the following substance's smell is similar to Ethanoic acid?

Tomato juice
Lemon
Kerosene
Vinegar

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Chemistry
Which one is the most reactive halogen

Bromine
Chlorine
Iodine
Fluorine

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Chemistry
The metal used for making aircrafts and rockets is

Lead
Nickel
Copper
Aluminium

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Chemistry
Catalyst is a substance which

Has no action on the rate of the reaction
Increases the rate of the reaction
None of these
Decreases the rate of reaction

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Chemistry
Who first published the periodic table

Julius Lothar Meyer
Henry Moseley
Dmitri Mendeleev
John Dalton

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