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Trivia Game

You have to answer this question before its comments can be revealed, this way we won’t spoil the answer for you.

Gold nano particles shows different color,at room temperature, Due to….

Select	Choice
	variation of the size of the particles.
	prize is high
	high Z value
	hard metal

By abhi_nano_phy.

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The mind is like a parachute—it works only when it is open.

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