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Which of the following is used in chemistry labs for sealing air-gaps in apparatus where air tight arrangement is required?
- a)Bleaching powder
- b)Washing soda
- c)Gypsum
- d)Plaster of Paris
- e)None of the above/More than one of the above
Correct answer is option 'D'. Can you explain this answer?
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Which of the following is used in chemistry labs for sealing air-gaps ...
Plaster of Paris in Chemistry Labs
Plaster of Paris is commonly used in chemistry labs for sealing air-gaps in apparatus where an airtight arrangement is required. It is a versatile material that can be easily molded and sets quickly to form a hard and durable seal. Here are some key points to understand why Plaster of Paris is used:
Sealing Air-Gaps
- Plaster of Paris is used to seal air-gaps in various apparatus such as distillation setups, reaction vessels, and other equipment where maintaining an airtight environment is crucial for conducting experiments accurately.
- It helps prevent the leakage of gases or liquids, ensuring that the experiment proceeds without any interference from external factors.
Quick Setting
- One of the advantages of using Plaster of Paris is its quick setting time. Once mixed with water, it forms a paste that can be applied to the gaps and hardens rapidly, creating a tight seal in a short period.
Ease of Application
- Plaster of Paris can be easily applied to the desired area using a spatula or any suitable tool. It can be molded to fit the shape of the gap, ensuring a snug and secure closure.
Durability
- Once set, Plaster of Paris forms a hard and durable seal that can withstand the conditions within the lab environment. It effectively prevents any air or liquid from escaping or entering the apparatus.
Conclusion
In conclusion, Plaster of Paris is a commonly used material in chemistry labs for sealing air-gaps due to its quick setting time, ease of application, and durability. It plays a crucial role in maintaining the integrity of experiments by creating airtight seals in various apparatus.
Plaster of Paris is commonly used in chemistry labs for sealing air-gaps in apparatus where an airtight arrangement is required. It is a versatile material that can be easily molded and sets quickly to form a hard and durable seal. Here are some key points to understand why Plaster of Paris is used:
Sealing Air-Gaps
- Plaster of Paris is used to seal air-gaps in various apparatus such as distillation setups, reaction vessels, and other equipment where maintaining an airtight environment is crucial for conducting experiments accurately.
- It helps prevent the leakage of gases or liquids, ensuring that the experiment proceeds without any interference from external factors.
Quick Setting
- One of the advantages of using Plaster of Paris is its quick setting time. Once mixed with water, it forms a paste that can be applied to the gaps and hardens rapidly, creating a tight seal in a short period.
Ease of Application
- Plaster of Paris can be easily applied to the desired area using a spatula or any suitable tool. It can be molded to fit the shape of the gap, ensuring a snug and secure closure.
Durability
- Once set, Plaster of Paris forms a hard and durable seal that can withstand the conditions within the lab environment. It effectively prevents any air or liquid from escaping or entering the apparatus.
Conclusion
In conclusion, Plaster of Paris is a commonly used material in chemistry labs for sealing air-gaps due to its quick setting time, ease of application, and durability. It plays a crucial role in maintaining the integrity of experiments by creating airtight seals in various apparatus.
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Which of the following is used in chemistry labs for sealing air-gaps ...
Plaster of Paris is used in chemistry labs for sealing air-gaps in apparatus where air tight arrangement is required
Properties of Plaster of Paris-
1. It is a white powder
2. It has a remarkable property of setting into hard mass on wetting with water .
Therefore , it is used in chemistry labs for sealing air gaps in apparatus .
Properties of Plaster of Paris-
1. It is a white powder
2. It has a remarkable property of setting into hard mass on wetting with water .
Therefore , it is used in chemistry labs for sealing air gaps in apparatus .
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Which of the following is used in chemistry labs for sealing air-gaps in apparatus where air tight arrangement is required?a)Bleaching powderb)Washing sodac)Gypsumd)Plaster of Parise)None of the above/More than one of the aboveCorrect answer is option 'D'. Can you explain this answer?
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