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the limestone harden because theirs another layers of limestone on top of it which pushes the bottom layer and flatten it.
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∙ 11y ago
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Why does cement harden?
cement is a calcined mixture of limestone,silica and gypsum that are anhydrated and form a hard structural bond on drying
What effects does acid rain have on limestone?
The acid rain causes erosion and weathering of the limestone.Acid rain attacks and dissolves Limestone .As a result of that , carbon dioxide gas is evolved
Could we do without limestone?
we can not live without limestone otherwise we wouldn't have concrete or nothing to stick the bricks together also toothpaste has limestone in it! We could live but we would have to revert to stone age times. And Many would die.
Why are some water samples harder than others?
The rocks in the area may be different, the may be limestone which is calcuim which causes water to become hard
What happens when you put acid on limestone?
The acid reacts with the limestone producing a salt and water and carbon dioxide gas which produces a "fizzing". Limestone is mainly calcium carbonate. CaCO3 + 2H+ -------> Ca2+ + H2O + CO2
How can you harden limestone screening?
sprinkle water on it
What is the rock that forms when sand particles bits of soil and the remains of living things harden?
Limestone
A catalyst is added to the fiberglass resin to do what?
it causes it to harden.
Why is natural limestone seasoned?
Not sure what you mean but A) limestone IS natural anyway, and B) some limestones are relatively soft while in the middle of their unit but harden once quarried and exposed to the air.
When did Arthur Harden die?
Arthur Harden died on June 17, 1940 at the age of 74.
What age does a child's skull harden?
ten
Why does cement harden?
cement is a calcined mixture of limestone,silica and gypsum that are anhydrated and form a hard structural bond on drying
How does limestone erode?
Limestone erodes with water. Limestone can also erode through water getting in to the cracks and then freezing. This causes the crack to expand and will begin to erode the limestone.
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 old was Arthur Harden at death?
Arthur Harden died on June 17, 1940 at the age of 74.
What is calcifition?
its the calcum salts that build up soft tissue and causes it to harden
What causes concrete to harden?
Chemical reaction of lime and dehydrated gypsum with water.
