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Chemistry

Chemistry
Ruby and sapphire are oxides of

Copper
Tin
Iron
Aluminium

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Chemistry
The term 'brown air' is used for

Sulphurous smog
Acid fumes
Industrial smog
Photochemical smog

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Chemistry
The liquid waste from kitchens and baths, of residences is known as :

Storm water
Sullage
Refuse
Domestic sewage

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Chemistry
In addition to hydrogen, the other abundant element present on Sun’s surface is

Neon
Oxygen
Helium
Argon

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Chemistry
Chernobyl disaster is the result of pollution by

Acid rain
Carbon dioxide
Oil spill
Radioactive waste

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Chemistry
Which of the following kinds of spectroscopy can provide information on the energy difference between the initial and final states rather the energy levels involved in the transition

UV photoelectron spectroscopy
Rotational spectroscopy
UV absorption spectroscopy
Infrared absorption spectroscopy

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MORE MCQ ON Chemistry

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