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Chemistry

Chemistry
Which of the following molecules has a bond order of 2.5

HCL
CO
NO
F2

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Chemistry
The ore of Aluminium is

Bauxite
Chalco pyrites
Fluorspar
Hematite

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Chemistry
Milk is a colloidal system in which:

Water is dispersed in fat
Fat is dispersed in water
Fat and water are dispersed in each other
Fat is dissolved

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Chemistry
The aqueous solution of potassium chloride is

A non-electrolyte
A weak electrolyte
Initially weak and then become a strong electrolyte
A strong electrolyte

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Chemistry
Bayer's reagent is

Hydrogen peroxide
Alkaline potassium permanganate
Bromine water
Acidified potassium permanganate

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Chemistry
Which of the following in automobile exhaust can cause cancer?

Lead
Polyclinic hydrocarbons
Carbon monoxide
Oxides of nitrogen

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