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Is mortar made up of rock?
Mortar has fine rock called, "Sand" in it. There is also finely pulverized limestone in it that helps harden it.
How long does it take for mortar to harden?
30 minutes to the touch and 24 hours to be functional. If the Mortar is being used in a fireplace or chimney a week or more may be required.
What makes melted Candy harden?
A reduction in temperature.
What makes playdough harden?
leaving it out in the cold or puting it in a freezer
Cement mixed with sand and water makes?
If you mix cement ,sand and water you get mortar If you mix cement and stone pebbles or chips you get concrete Concrete.Sometimes gravel is mixed with it, too.
What makes play doh harden?
They contain a substance called hardener.
The substance that makes bone harden?
Minerals like calcium and phosphorus :)
What chemical reaction makes the Shake-N-Cast harden?
The chemical reaction that makes Shake-N-Cast harden is a hydration reaction between the product and water. This reaction forms a strong bond between the material particles and creates a solid and durable structure.
What causes fingernails to be hard?
Keratin... it's a natural substance that makes the nail harden.
What makes a new crust layer?
Volcanic activity in which lava and magma cool and harden into rock and stone.
What produced extrusive igneous rocks?
lava, because it forms outside of Earth's surface and makes rocks that harden
What is the present tense of harden?
The present tense of "harden" is "harden." For example, "The clay hardens as it dries."
