0
Common chalk as used on a blackboard is today in fact made from plaster-of-paris - calcium sulphate. This produces a uniform material, superior to the use of natural chalk - calcium carbonate.
Wiki User
∙ 10y ago
Add your answer:
Earn +20 pts
What is chalk paint?
Chalk Paint is a type of paint that you can put on a wall then a couple days later, you can draw on it with chalk. Before you draw on the paint, it will take about a day to dry. You can find chalk paint at Home Depot or any other store like it.
What was Sandra Day O' Connor 's childhood like?
chalk
How long does chalk stay in your hair?
one day . as soon as you was it out.
What is the rock that makes up white cliffs of dover?
chalk
What is a word that goes before chalk?
colored chalk sidewalk chalk dustless chalk
Is chalk harder than rubber?
rubber is harder than chalk !
Does white chalk last longer than coloured chalk?
i think white chalk does last longer than coloured chalk because of chemicals. Not everything is coloured or just white but teachers tend to often use white chalk. They use it and use it but does it finish in one day no coloured chalk not much people use but it will change colour very quickly because it doesnt get used as much as white does.so shut up
When was modern day caulk invented?
chalk was invented by a man named hymen bean in 1896
What substance is put on the tip of the cue when playing billiards?
Chalk is one of the most important substance used in billiards. Most shot are missed because of fractional miscues not felt by the shooter. Most expert player put there chalk in plastic bags to keep them dry for better effect. Check the grip on chalk. Shoot the shots one handed to check the grip of the chalk and check for miss cues. I used to play all day with one hand. Break and run the table playing with one hand. That way when i used two hands you can imagine what i could do. So chalk is the most important control for even slight defections.
What is the hardness of chalk?
There are a couple of things that make chalk hard. The calcium in chalk is said to make chalk hard.
What gets whiter the darker it gets?
a snow storm throughout the day, starting around midday
What is a collective noun for chalk?
A collective noun for chalk is a box of chalk.
