Questions

TRUE / FALSE

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5 questions · timed · auto-graded

Question 31 Mark
The smallest unit of a pure substance which always exists independently and can retain all the physical and chemical properties of that substance is called a molecule.
Answer
true
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Question 51 Mark
An ion formed by the acceptance of one electron in the outermost shell is monovalent electronegative.
Answer
true
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TRUE / FALSE - CHEMISTRY STD 7 Questions - Vidyadip