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Question Practice

What characteristic changes in gold when it is reduced to nanoparticles less than 30 nm?

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MCQ_SA
CBSE
Class 12
Biotechnology
Biotechnology
Recent Innovations in Biotechnology
Question Bank

What characteristic changes in...

Single Answer MCQ
Q-00096698

What characteristic changes in gold when it is reduced to nanoparticles less than 30 nm?

1

It becomes suitable for electrical applications

2

It changes color to ruby red

3

Its weight increases

4

It becomes highly reactive with oxygen

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