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Q: Melting point of ice is-
  • A. 273 K
  • B. - 273 C
  • C. 273 C
  • D. -273 K
Correct Answer: Option A - Melting point is the temperature at which the entire solid is converted into liquid. The melting point of ice is 0⁰ C or 273 K at atmospheric pressure.
A. Melting point is the temperature at which the entire solid is converted into liquid. The melting point of ice is 0⁰ C or 273 K at atmospheric pressure.

Explanations:

Melting point is the temperature at which the entire solid is converted into liquid. The melting point of ice is 0⁰ C or 273 K at atmospheric pressure.