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Chemistry

Chemistry
Among the following, carbonate ore of Zinc is

Zincite
Sphalerite
Calamine
Zincblende

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Chemistry
Which of the following is caused by the higher concentration of Nitrogen and Phosphorous ?

Hardness
Alkalinity
Eutrophication
Acidity

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

Evapotranspiration
Aquatic macrophytes
Effluents
Auatic fungi

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Chemistry
Which of the following is a renewable source of energy ?

Geothermal powder
Uranium
Coal
Natural gas

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Chemistry
The number of waves in n x 10th Bohr's orbit are

n-2
n3
n
n2

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Chemistry
Baryllium Sulphate is less soluble in water due to

Low Energy of dissociation
Low inflammable energy
Lonic band
High inflammable energy

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