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Chemistry

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

Sommerfeld
Rutherford
Hund
Thomson

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Chemistry
Which of the following is not a nitrogenous fetiliser?

Ammonium sulphate
Ammonium nitrate
Urea
Superphosphate

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Chemistry
In galvanization, iron is coated with

Copper
Zinc
Nickel
Tin

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Chemistry
The value of Avogadro Number is

6.023 × 1022
6.023 × 1023
6.023 × 1025
6.023 × 1024

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Chemistry
Stainless steel is an alloy of

Chromium and carbon
Chromium, carbon and iron
Chromium and iron
Carbon and iron

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Chemistry
Which type of radiations are absorbed by the upper layer of the atmosphere?

Infrared
Radio-waves
Ultraviolet
Visible

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MORE MCQ ON Chemistry

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