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Here is the answer:
The center of an ice cube is white because it is full of bubbles
and other defects like cracks and boundaries between ice crystals. Cold water, from the faucet or in an ice tray, will freeze cloudily. Warm water, from the faucet or in an ice tray, will freeze clear. I have no clue why. I tried it one day and it worked. They are found in the center more than at the surfaces because the the water freezes from the outside in, and at a fairly slow rate.
This allows the outer ice to solidify with fewer cracks and defects than
the later ice. Hard water contains minerals like calcium that condense when frozen, which will cloud up ice cubes. As water freezes, dissolved air is forced out as a gas, which forms bubbles. These bubbles are trapped in the ice, making it look opaque.
One additional item: ice and ice cubes can be made clear using the right water (clean and not aerated) and the right rate of freeze. If you have ever seen a nice ice sculpture, you know big blocks of ice can be pretty clear, but they usually dont' stay that way.
--matt
What else can I help you with?
What often causes potholes in streets?
ice wedging
What cause ice formation on suction lines of the compressor?
The system and the load have become imbalanced. It will need to be looked at as the possible causes are many.
What causes refrigerant side of water cooled chiller to have excessive suction and discharge pressure though tubes are clean?
Goldfish. They get in at night, have underwater cocktail parties and leave the ice floating about.
What is latex fiber?
Latex is made from the milky or colourless sap of certain plants
Melting of ice is an example of?
A phase change.A phase change is a physical change that occurs when an object changes from one state to another i.e. liquid to gas, gas to liquid, liquid to solid, solid to liquid. A substance need not go through the liquid phase to change from a solid to a gas, as in sublimation of dry ice (solid carbon dioxide).
Does the milky way have ice cream in it?
No
What is the name of a milky white semi precious stone?
Howlite is milky white, with grey veins.
What is the colour of the Milky Way?
people usually say milky white, because all the stars together look like milky white.
Why does your milky way have white spots all over it?
those white spots that surrond the milky way are stars
What is a milky white gem?
Pearls and opals are often described as milky white. Moonstone could also come in this color.
White milky discharge?
Ovulating
What are synonyms for white?
Snowy, milky.
Why are the ice from an ice maker white?
The ice from any ice maker is white because of impurities in the water. It is also caused by minute cracks that causes the light to refract which in turn looks white. The only way to get crystal clear ice is to basically "paint" water onto a flat surface, freeze that layer, & repeat many times.
What causes the pink color in quartz?
It depends how much iron it has inside. Quartz can also be clear transparent, milky white, pink, yellow, and even purple.
What causes the water from your fridge to look 'milky'?
Milk
What to do if your smoothie is too milky?
You add more fruit to it and ice!!
What causes ice to leave a white residue behind?
When ice evaporates, it leaves behind a white residue due to the minerals and impurities present in the water that form a thin layer on the surface as the water evaporates.
