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Chemistry

Chemistry
Fertiliser having high nitrogen content is :

Urea
Ammonium nitrate
Calcium citrate
Ammonium sulphate

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Chemistry
When a metal is heated in a flame, the electrons absorb energy and jump to higher energy state. On coming back to the lower energy siate, they emit light, which we can observe in

Absorption spectra
Raman spectra
Fluorescence
Emission spectra

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

n-2
n2
n
n3

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Chemistry
'All the four quantum numbers of two electrons in an atom are not the same.' It is the law of –

Hund's rule of maximum multiplicity
Uncertainty Principle of Hiesenberg
Avogadro's Law
Exclusion Principle of Pauli

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Chemistry
Which of the following processes is used for the production of Biodiesel ?

Transcription
Translation
Transesterification
Transamination

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Chemistry
The metal used for making aircrafts and rockets is

Aluminium
Lead
Copper
Nickel

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