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First off, common classroom chalk is made from plaster of paris - CaSO4. It of course 'chalks' badly. Grease pencils, and fluid-based writing impliments avoid this side effect.
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What temperature does chalk melt?
No, melting chalk is impossible, but dissolving chalk is possible. This can be done when you mix the chalk with some liquid and there you have it...DISSOLVED CHALK IN A LIQUID!
What properties of chalk make it useful to a gymnast?
Yes, although you are using a higher grade, more expensive chalk, for a grosser need.
Why do you need water softening?
there is chalk (CaCo3) in the water, which makes the water "hard"... i.e. if you wash your clothes, the fabric becomes stiff. But adding an agent to the chalky water will "soften" it, this means that the chalk will chemically be removed.
How many sets of properties do you need to observe in order to classify a material as a heterogeneous mixture?
You need several different properties in order to classify a material as a heterogeneous mixture.
Why do we need to use materials properly?
we need to use our material properly because if we don't use our material it will be destroy or it will be broken and if this is hazardous it may cause a danger in children and also in adults
Start by making a beautiful lei. What material won't you need?
Cotton
What kind of chalk do pet snails need?
they need white chalk or any kind of regular chalk not like 3 d or colored chalk
Start by making a beautiful lei what material won't you need?
cotton Butter
What are the material and formal object of logic?
material logic for me is such as making argument for because his own need or maybe because they have an interest
What are formal and material object of logic?
material logic for me is such as making argument for because his own need or maybe because they have an interest
In making gold necklace what kind of material does the gold smith need?
gold, ofcourse!
Is there math in movie making?
yes because you need an amount of people in the background and material.
Why all material should be shredded when making compost?
because they need it to be smaller so they can chew it
What does pool chalk do?
Pool chalk serves multiple purposes. The chalk allows the tip to become softer, so there is less chance of breaking the tip, and the most important thing chalk does is put English on your cue ball. If your not very good at pool and you go to the YMCA to play, you really don't need chalk, but to be good you need chalk to be able to put English on your ball to make easier shots.
Why do snails eat chalk?
I have never heard of water snails eating chalk, i just go to the pet store and get some algae wafers
Which material wood or copper would you infer to be best for use in making an electrical circuit?
I need help
Why won't chalk write on your new blackboard does it need conditoning before use?
The problem likely lies with the chalk itself. A lot of chalk you buy today, especially cheap chalk, is too hard to use on chalkboards with any kind of good result. Try a different brand of chalk, one that is softer.
