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Chemistry

Chemistry
The structure of (HPO3)3 is

Cyclic
Linear
Tetrahedral
Octahedral

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Chemistry
The important ore of aluminium is

Bauxite
Cryolite
Fluorspar
Haematite

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Chemistry
Physico-chemical characteristics of water in water sources undergo changes due to

Auatic fungi
Evapotranspiration
Effluents
Aquatic macrophytes

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Chemistry
Which one of the following organic compounds has fruity smell?

Ester
Aldehyde
Alcohol
Ether

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Chemistry
The material used in solar cells contains

Thallium
Caesium
Silicon
Tin

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Chemistry
Which of the following is an iron ore ?

Nitrite
Magnetite
Lignite
Bauxite

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