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A freezing mixture is a combination of substances that, when mixed together, can lower the temperature significantly, often below the freezing point of water. Commonly, it consists of ice and salt, where the salt lowers the freezing point of the ice, allowing the mixture to reach temperatures suitable for freezing or chilling other substances. This technique is frequently used in laboratories and culinary applications, such as making ice cream.
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What is the freezing point of cinnamon?
Cinammon is a complex mixture and haven't a freezing point.
Why kulfi sellers use the mixture of ice and common salt as freezing mixture?
Kulfi sellers use a mixture of ice and common salt as a freezing mixture because the salt lowers the freezing point of ice, allowing the temperature to drop below 0°C. This creates a colder environment that helps freeze the kulfi more quickly and efficiently. The combination enhances the cooling effect, ensuring that the kulfi achieves a creamy texture without becoming too hard. Additionally, the use of this mixture is cost-effective and easy to source.
Is freezing a physical method of separation?
Yes, freezing is a physical method of separation that relies on the differences in freezing points of substances to separate them. When a mixture is frozen, components with different freezing points will solidify at different temperatures, allowing them to be separated based on their physical state.
What is the effect of adding p nitrotoluene to the freezing point of naphthalene?
Adding p-nitrotoluene to naphthalene will lower the freezing point of the mixture. This is due to the phenomenon of freezing point depression, where the presence of a solute lowers the freezing point of the solvent. The greater the concentration of the solute in the solvent, the lower the freezing point will be.
Why is a freezing mixture is normally prepared by mixing some common salt with ice?
Mixing common salt with ice lowers the freezing point of water below its normal freezing point. This creates a freezing mixture that can maintain temperatures below 0°C, allowing for colder conditions for various applications like ice cream making or preserving food.
What is the freezing point of cinnamon?
Cinammon is a complex mixture and haven't a freezing point.
What is the name of the temperature at which a mixture freeze?
The temperature at which a mixture freezes is called the freezing point. For instance, water freezes at 32 degrees F. at sea level.
Can solid and a liquid form a mixture?
Water and crushed ice form a freezing point mixture.
What is formed by a mixture of melting and freezing ice crystals?
water
Freezing point of kerosene water mixture?
oint of kerosene is -22F
How does a mixture become a solid?
A liquid becomes a solid by freezing or drying
Is antifreeze a pure substance or a mixture?
mixture
How antifreeze affects the freezing point of water?
It lowers the temperature where the mixture will freeze
Why kulfi sellers use the mixture of ice and common salt as freezing mixture?
Kulfi sellers use a mixture of ice and common salt as a freezing mixture because the salt lowers the freezing point of ice, allowing the temperature to drop below 0°C. This creates a colder environment that helps freeze the kulfi more quickly and efficiently. The combination enhances the cooling effect, ensuring that the kulfi achieves a creamy texture without becoming too hard. Additionally, the use of this mixture is cost-effective and easy to source.
Why fisherman use freezing mixture for preserving fish?
to preserve the fish and keep it fresh
What is it called when a solid forms from a liquid mixture?
When a solid forms from a liquid mixture, that is a precipitate, unless the liquid is in the process of freezing, in which case it is a phase change.
Is freezing a physical method of separation?
Yes, freezing is a physical method of separation that relies on the differences in freezing points of substances to separate them. When a mixture is frozen, components with different freezing points will solidify at different temperatures, allowing them to be separated based on their physical state.
