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Chemistry CBSE Live product
Class 9
Structure of the atom
Annual Revision III - Structure of the atom
3.
Valency and reactivity
Question:
1
m.
Choose the best answer for the given question from the options:
Assertion (A):
Noble gases rarely take part in chemical reactions.
Reason (R):
They have no tendency to lose, gain, or share electrons.
Both A and R are true, and R is the correct explanation of A
A is false but R is true
A is true but R is false
Both A and R are true, and R is not the correct explanation of A
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