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Chemistry

Chemistry
Who modified Bohr's theory by introducing elliptical orbits for electron path

Sommerfeld
Thomson
Hund
Rutherford

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Chemistry
Which one of the following is used as an anti-freeze for the automobile engines ?

Propyl alcohol
Methanol
Ethylene glycol
Ethanol

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Chemistry
Which of the following is also used as a Bio fertilizer?

Uric Acid
None of these
Ammonia
Urea

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Chemistry
The ore which is found in abundance in India is

fluorspar
bauxite
magnetite
monazite

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Chemistry
What is the maximum Water Vapour content in the atmosphere?

2 to 3 per cent
3 to 4 per cent
4 to 5 per cent
5 to 6 per cent

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Chemistry
Black lung disease occurs in people working in

Paint manufacturing industry
Organic solvents industry
Electroplating industry
Coal mines

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