what is the substance of tooth gum which is very hard

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Q:
What is the substance of tooth gum which is very hard?

1
Copper chloride
2
calcium phosphate
3
calcium carbide
4
calcium carbonate

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Answer : 2. "calcium phosphate"

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Basic GK Chemistry GK

Q:
What is the substance of tooth gum which is very hard?

Answer : 2. "calcium phosphate"

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Q: What is the substance of tooth gum which is very hard?

Answer : 2. "calcium phosphate"

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Q:
What is the substance of tooth gum which is very hard?

Q.
Bamboo dance is famous in which part of India?

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Whose era is called the golden period of Mughal painting?