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?

Q.
Whose era is called the golden period of Mughal painting?