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nitrogen dioxide has a white colour .ammonia is use as a cooling agent in refrigerators.when ammonia is use up,a reaction takes place between ammonia and water producing nitrogen dioxide and water which has a white colour

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βˆ™ 15y ago
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βˆ™ 7mo ago

When you open a freezer door, the sudden change in temperature causes water vapor in the air to condense and freeze, forming tiny ice crystals. These ice crystals are what you see as white clouds when the freezer door is opened.

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Q: Why white clouds form when freezer door opens?
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What is function of pressure relief port on freezer?

The pressure relief port on a freezer is designed to release excess pressure that may build up inside the freezer due to changes in temperature or overfilling the freezer. This helps to prevent damage to the freezer or potential hazards such as leaks or explosions.


Why does a fairly full freezer work best?

A full freezer retains cold temperatures more effectively because the frozen items help to maintain the low temperature. This reduces the amount of warm air that enters the freezer when the door is opened, helping to keep items inside properly frozen. It also increases the thermal mass, making the freezer more efficient at staying cold.


Why does ice form on the freezer walls and how is it prevented?

Ice forms on the freezer walls due to moisture in the air coming into contact with the cold surfaces. To prevent this, ensure the freezer door is sealed properly, avoid keeping hot or uncovered food in the freezer, and periodically defrost the freezer to remove any ice buildup.


What is the temperature of a freezer in fahrenheit?

The temperature of a freezer is typically set to 0Β°F (-18Β°C) or lower to keep food frozen and prevent spoilage.


Why is a deep chest freezer more efficient than a refrigerator?

A deep chest freezer is more efficient than a refrigerator because it has more insulation to keep the cold air in, requires less frequent door openings, and typically has a more consistent temperature due to its design. Additionally, the cold air in a chest freezer tends to stay at the bottom when the lid is opened, minimizing heat loss compared to a refrigerator where cold air escapes more easily.

Related questions

Whch type of freezer is better, one that opens on the top or has a door?

Because cold air rises, very little cold air escapes when you open the top-mounted door of a chest freezer, making it the most efficient style of freezers.


What meant of white in white mounting handle of the Elextrolux freezer?

The white mounting handle on an Electrolux freezer likely indicates that the handle is made from white plastic or another white material. It serves as a visual cue for users to easily locate and grasp the handle to open the freezer door.


Why is a door freezer better than a chest freezer?

Door freezer has many floor to place thing in it and they take less space.


Who's at fault if someone opens their car door in traffic and the door is hit?

The person that opens the door is at fault


When was Mary Poppins Opens the Door created?

Mary Poppins Opens the Door was created in 1943.


What is a door key?

a key that opens a door.


What is the location of an Exterior door?

An exterior door is a door that opens to the outside of the structure.


Who is at fault when a car is parked to unload passengers and a backseat passenger opens their door into a car driving past?

The person who opens the door.


What well-known movie classic begins in black and white and changes to color when the main character opens a door?

Wizard of Oz!! Silly!


What you turn in order to open a door?

A door knob turns to let people open or close the door. For vehicles, a lever or button-lever opens the door. For swinging doors, body weight (pushing) opens a door.


When One door opens Nine doors close When Nine doors close One door opens what does this riddle means?

The orifices of a newborn


How does a car door work?

it opens and closes