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Q: Which of the following is correct? Specific volume of water when heated at ⁰ Celsius
  • A. First increases and then decreases
  • B. First decreases and then increases
  • C. Grows equally
  • D. Decreases evenly
Correct Answer: Option B - When water is heated from 0⁰ C to 4⁰ C, its volume decreases because its density increases. The density of water is maximum at 4⁰ C and after 4⁰ C its volume increases.
B. When water is heated from 0⁰ C to 4⁰ C, its volume decreases because its density increases. The density of water is maximum at 4⁰ C and after 4⁰ C its volume increases.

Explanations:

When water is heated from 0⁰ C to 4⁰ C, its volume decreases because its density increases. The density of water is maximum at 4⁰ C and after 4⁰ C its volume increases.