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What powder hardens overnight with water?
One common powder that hardens overnight when mixed with water is gypsum, which is the main component of plaster of Paris. When water is added, it forms a paste that sets quickly and hardens as it dries. Another example is cement, which, when mixed with water, undergoes a chemical reaction that allows it to harden over time, typically within a few hours to a day.
What powder absorbs water and hardens?
Calcium sulfate hemihydrate, also known as plaster of Paris, is a powder that absorbs water and hardens when mixed with water. It is commonly used in construction and medical applications, such as casting molds and setting broken bones.
Can a person walk on water?
yes because in winter water hardens into ice so it is possible for a person to walk on water.
How many legs does a water boatman have?
A water boatman has six legs. These legs are adapted for swimming and help the insect navigate through its aquatic environment.
Is concrete a compound after the water evaporates and it hardens?
Concrete is not a compound after water evaporates and it hardens. Concrete is a mixture of aggregate materials (such as sand and gravel) and cement, which binds the materials together. When water is added to the mixture, a chemical reaction occurs with the cement that causes it to harden and bind the aggregate materials together.
When the water in a pond gets cold that it hardens on the surface it is going through which change state?
freezing. Is the answer to this question
How many legs does a water scorpian have?
It has six (6) legs
Why does superglue freeze snowflakes?
It doesn't freeze the snowflake, it preserves it. Superglue hardens when in comes in contact with the tiniest amount of water. That's why it hardens on your finger before it hardens on the thing you're gluing. I'm not 100% if the actual ice structure of the snowflake is still intact, or if it just creates sort of a fossil/imprint.
Is it true that when lava hardens it turns into ash?
No. Lava hardens into rock.
How many legs does a water louse have?
Like all insects a water bug has six legs.
How does the ant float in water?
They kick their legs. They use their legs to float
Which substance readily harden when mixed with water is lime or silica or plaster of Paris or granite?
Plaster of Paris readily hardens when mixed with water.
