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What will happen if we drop a piece of chalk and sponge in to a glass of water?
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Why did pyro set a box of chalk on fire?
He wanted a piece of chalk lit
Is crushing a piece of chalk a chemical change or a physical change?
Crushing a piece of chalk is only a physical change. Chemically, it is still chalk.
What volume of water would be needed to dissolve a piece of chalk having a mass of 7 grams?
what are the volume of piece of chalk
What do you get when you crush a piece of chalk?
When you crush a piece of chalk you get lots of small pieces of chalk.It is only a physical change. It is not a chemical change.
Why does a piece of chalk wear out as it is used on a blackboard?
With every stroke of the chalk piece it leaves some of the chalk on the board. This abrasion of the piece of chalk causes it to wear down. This is similar to why the rubber tyres of cars wear down when they are driven over a road surface.
Why did pyro set a box of chalk on fire?
He wanted a piece of chalk lit
When you write on the board with a piece of chalk an irritating noise results when the chalk is held at some angles yet this does not happen at any other angles Why?
as of stone
Can a rubber band a piece of chalk or a skirt be more easily broken?
A piece of chalk.
If a living sponge in pieces each piece may produce another sponge?
"yes", If you take a piece off of a sponge it will grow another sponge.
Is crushing a piece of chalk a chemical change or a physical change?
Crushing a piece of chalk is only a physical change. Chemically, it is still chalk.
Why does a piece of chalk called a matter?
A piece of chalk is matter because it has mass and occupies space, which is the definition of matter.
What volume of water would be needed to dissolve a piece of chalk having a mass of 7 grams?
what are the volume of piece of chalk
How do you find the density of a piece of sponge?
calculate density of sponge ?
What is the best metric unit to use for a piece of chalk?
Centimetres and/or millimetres - depending on the size of the piece !
What do you get when you crush a piece of chalk?
When you crush a piece of chalk you get lots of small pieces of chalk.It is only a physical change. It is not a chemical change.
Why does a piece of chalk wear out as it is used on a blackboard?
With every stroke of the chalk piece it leaves some of the chalk on the board. This abrasion of the piece of chalk causes it to wear down. This is similar to why the rubber tyres of cars wear down when they are driven over a road surface.
How do you know if chalk contains calcium carbonate?
Through chemical analysis of a piece of chalk!
