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

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

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Chemistry
Man dies in the atmosphere of CO, because it

Dries up the blood
Combines with the haemoglobin of blood, thereby making the later incapable of absorbing O2
Combines with O2 present in the body
Reduces the organic matter of tissues

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