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Science TNSB Mentoring
Class 9
Applied chemistry
Nano to electrochemistry
1.
Nano chemistry
Question:
3
m.
Select the correct answers to the following questions:
1.
Which branch of chemistry deals with daily life in various fields?
Medicinal chemistry
Organic chemistry
All of these
Applied chemistry
2.
One hydrogen atom has a diameter of about __________ nm.
\(2\)
\(1.99\)
\(0.02\)
\(0.2\)
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