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Assertion : Elements like Rb, Cs, Tl, In...

Assertion : Elements like Rb, Cs, Tl, In, Ga and Sc were discovered when their minerals were analysed by spectroscopic methods.
Reason : The characteristic lines in atomic spectra can be used in chemical analysis to identify unknown atoms.

A

Both assertion and reason are true and reason is the correct explanation of assertion.

B

Both assertion and reason are true but reason is not the correct explanation of assertion.

C

Assertion is true but reason is false.

D

Both assertion and reason are false.

Text Solution

Verified by Experts

The correct Answer is:
A
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