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Chemistry

Chemistry
What is used in storage batteries?

Tin
Copper
Lead
Zinc

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Chemistry
Which of the following is not present in RNA

Phosphate
Ribose
Thymine
Uracil

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Chemistry
Two electrons in an orbital are differentiated by which of the following ?

Principal quantum number
Azimuthal quantum number
Spin quantum number
Magnetic quantum number

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Chemistry
The value of Avogadro Number is

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

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Chemistry
The number of water molecules present in a drop of water (volume 0.0018 ml) at room temperature is

6.023 x 1023
6.023 x 1019
4.84 x 1017
1.568 x 103

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Chemistry
The most extensive, commercially useful source of thorium as monazite sand occurs in India at

West Bengal coast
Travancore coast
Orissa coast
Gujarat coast

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MORE MCQ ON Chemistry

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