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How can you harden limestone screening?
sprinkle water on it
How do you make sand harden?
To make sand harden, first you need water. Without water, sand is very soft, and soft sand is horrible for making sand castles or any sand sculptures. But if you pour water on sand, then leave it alone for a few hours, it should harden all by itself. But even though the sand is hardened, it is not unbreakeable, so be careful.
What causes concrete to harden?
Chemical reaction of lime and dehydrated gypsum with water.
What substance is added to drinking water and most toothpastes to help harden tooth enamel?
An amount of fluoride is added to drinking water during the purification to harden the tooth enamel.The fluoride is also present in toothpastes for the same purpose
What make ice?
water particles slowing down to the point were they bond together and harden
Can salt water star fish live in fresh water tank?
yes it can. it will die if you want to put it. it will harden and die
What is the present tense of harden?
The present tense of "harden" is "harden." For example, "The clay hardens as it dries."
How do you heat treat or harden a metal chisel?
Heat the metal red hot. To harden the metal, cool it quickly by dunking it into cold water. To get a soft metal, let it cool slowly.
Is harden a verb?
Yes, harden is a verb.
Is harden an adjective?
No. The word "harden" is a verb.
What is present tense of harden?
"Harden" is the present tense. Ex. I harden the the cement by allowing it to dry. The past tense is hardened. The future tense is will harden.
Why does icing harden?
Im No Scientist, But I Can Say That Water Evaporates. Iceing (I Belive) Contains Water. And, You Know, If You Leave Food Out, It Will Eventualy Get Stale.
