b. The process of changing solid into liquid by heating is known as……………
Answers
Answer:
The melting of the solid wax to form liquid wax and the evaporation of liquid wax to form wax vapour are physical changes. The burning of the wax vapour is a chemical change. The wax vapour reacts with oxygen in the air to form new substances including carbon dioxide and ash.
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Explanation:
Answer:
Melting point as a chemistry concept
The solid begins to go from a solid state to a liquid state — a process called melting. The temperature at which melting occurs is the melting point (mp) of the substance. The melting point for ice is 32° Fahrenheit, or 0° Celsius.
Explanation:
The solid obtained after cooling of the gas of sublime is calledSublimate. The process of cooling of vapor of sublime to get sublimate is also known as'sublimation' although it is also known as deposition. When camphor is heated it changes into vapor without changing into liquid.
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