Define Boiling and Pesteurisation
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Answers
the action of bringing a liquid to the temperature at which it bubbles and turns to vapour is known as boiling.
the partial sterilization of a product, such as milk or wine, to make it safe for consumption and improve its keeping quality.
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Answer:
Boiling:
Boiling is the process of heating a liquid to its boiling point, where it starts to vaporize and turn into a gas. Here are three points about boiling:
1. Boiling is an effective method of sterilizing water and killing harmful bacteria, viruses, and other microorganisms that may be present in the water.
2. The boiling point of a liquid depends on various factors such as the atmospheric pressure, the chemical composition of the liquid, and the altitude of the location.
3. When a liquid is heated to its boiling point, it undergoes a phase change from liquid to gas, and this process requires a significant amount of heat energy, which is absorbed by the liquid.
Pasteurization:
Pasteurization is the process of heating a liquid or food to a specific temperature for a set amount of time to kill any harmful bacteria or microorganisms that may be present. Here are three points about pasteurization:
1. Pasteurization is commonly used in the food and beverage industry to make products such as milk, cheese, and juice safe for consumption.
2. The process of pasteurization involves heating the liquid or food to a temperature of 72°C to 85°C for a few seconds to a few minutes, depending on the product and the desired level of safety.
3. Unlike sterilization, which kills all microorganisms, pasteurization only kills harmful bacteria, while leaving other non-pathogenic microorganisms intact.