Question
What is the physical state of water at 250⁰
C?Solution
Water occurs in solid as well as liquid state at 0°C temperature. The physical state of water at 250°C is the gaseous state because it reaches above the boiling point of water, 100°C. At 25°C, the physical state of water remains a liquid. In the gas phase, the molecular forces are very weak. Air, Natural gas, Carbon dioxide are examples of gases.
Which of the following is the relation that the law of demand defines?
Given below are two statements
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Elements involving in energy storage, transfer and bonding
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