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What is chalk dust on the blackboard?
Chalk is a form of calcium carbonate, so chalk dust is also a form of calcium carbonate.
Is a white board a more environmentally friendly alternative to a chalk board?
White boards are more environmentally friendly because chalk leads to airborn dust being breathed into the lungs. It also eliminates the need for the manufacturing and shipping of chalk.
Can a chalk dust be a chalk again?
No, once chalk dust has been created from a chalk stick, it cannot be transformed back into a solid piece of chalk. The dust particles are broken down and cannot reassemble into a solid form.
What are the dangers of cinder block dust?
Silicosis. Over time the exposure to silica dust in blocks can have irreparable effects on the lungs.
What compound words have chalk?
Some compound words with "chalk" are chalkboard, chalk dust, chalk line, chalk stick.
What is chalkdust?
dust from a chalk. Chalk is made from calcium carbonate, CaCO3.
When chalk dust dissolve in water it is called?
When chalk (the mineral) dissolves in water, it's called "limewater".
What is the hypothesis of mechanical chalkdust dispenser?
mechanical chalk dust dispenser's hypothesis is that it aims to hasten the removal of chalk dust on the chalkboard eraser
What are th examples of colloids?
milk provider,chalk dust,saw dust
Why will chalk dust on a plastic sheet placed over a bar magnet not show the shape of the magnetic field?
Chalk dust (calcium carbonate) is not magnetisable.
What is the Scientific Name of Chalk dust?
A scientific name for Chalk is called "Calcium Carbonate".
Mechanical chalk dust dispenser?
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