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Chemistry

Chemistry
Which one element from below list is liquid at room temperature

Argon
Zinc
Bromine
Lead

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Chemistry
The most electropositive elements among the following is

K
Cs
Na
Ca

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Chemistry
The names of the scientists, Newlands, Mendeleev, and Meyer are associated with the development of

periodic table of contents
atomic structure
discovery of elements
metallurgy

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Chemistry
The acid which is secreted by the glands in the stomach wall is

Sulphuric acid
Hydrochloric acid
Phosphoric acid
Nitric acid

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Chemistry
The main source of carbon monoxide is

Transportation
Solid waste disposal
Industrial process
Fuel combustion

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Chemistry
In electro-refining, the pure metal is deposited on

Anode
Vessel
Electrolyte
Cathode

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MORE MCQ ON Chemistry

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