which of the following is the hardest substance

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Q:
Which of the following is the hardest substance?

1
Platinum
2
Diamond
3
Gold
4
Silver

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Answer : 2. "Diamond"

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GK General Science Questions

Q:
Which of the following is the hardest substance?

Answer : 2. "Diamond"

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Q: Which of the following is the hardest substance?

Answer : 2. "Diamond"

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Q:
Which of the following is the hardest substance?

Q.
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Q.
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Q.
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Q.
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