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∙ 11y ago
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When chalk dust dissolve in water it is called?
When chalk (the mineral) dissolves in water, it's called "limewater".
Is making chalk dust a chemical change?
No, it is a physical, not chemical change.
What chemical hazard poses acute and reproductive toxicity?
health hazard
Is pulverized chalk a physical or chemical change?
Grinding chalk to chalk dust is a physical change because the texture and size may change but the its molecules are still the same.An example of chemical change is burning paper because ash is chemically different from paper.
What are the dangers of coal dust?
The dangers of coal dust are inhaling the dust which goes into your lungs and skin irritation from dust. Coal dust is harmful for the most part and has no health benefits.
What is chalk dust on the blackboard?
Chalk is a form of calcium carbonate, so chalk dust is also a form of calcium carbonate.
Can a chalk dust be a chalk again?
Maybe :3
Are dusty rooms a health hazard?
They can be if you are in it for a prolonged time Answer: Dust can contribute to health problems. Especially if one has asthma. It is always wise to dust furniture, ceiling fans, and other areas in a room.
What happens to pieces of chalk when they are shaken in jar with pebbles?
The chalk will be ground into chalk dust by the pebbles.
What is chalkdust?
dust from a chalk. Chalk is made from calcium carbonate, CaCO3.
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.
Why manufacturing sector is very important to implement occupational safety and health?
Because there are lot hazard there. Including physical hazard such as noise, dust, heat, etc... that generated. In addition, there is the hazard the raised from human behavior and how he/she use the machine (safe or not)
How do you separate table salt and chalk dust?
you can filter it
Mechanical chalk dust dispenser?
ambot lng
Is chalk dust a solution?
i think it would be a suspension
