CHSL 21 01-06-2022 Shift 2


Question 1

In 1817, which law of periodicity showed that the atomic weight of phosphorus is the mean of those of nitrogen and arsenic?
1817 में, आवर्तिता के किस नियम ने यह दर्शाया कि फास्फोरस का परमाणु भार नाइट्रोजन और आर्सेनिक के परमाणु भार का औसत होता है?

Options

A

Mendeleev's Periodic Law

Mendeleev's Periodic Law

B

Newlands’ Octaves Law

Newlands’ Octaves Law

C

Moseley's Periodic Law

Moseley's Periodic Law

D

Dobereiner’s Law of Triads

Dobereiner’s Law of Triads


Solution:

Correct Answer:

D

Dobereiner’s Law of Triads

डोबेराइनर का त्रिक का नियम


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