yes
It is easy to write on a rough blackboard. The friction between the chalk and the rough surface is what allows the chalk to leave behind the chalk dust that we see. Actually it would impossible to write on a theoretically smooth blackboard. Without the friction, the chalk would not leave any residue!
Bubbles are formed when chalk is dipped in water due to the release of carbon dioxide gas. Chalk is made of calcium carbonate, which reacts with the water to produce carbon dioxide gas bubbles. This reaction is known as effervescence.
chalk is a very pure form of limestone made of calcite. i think >:P
A rubber band would be more easily broken than a piece of chalk or a skirt. Rubber bands are designed to stretch and be flexible, making them more likely to break when stretched beyond their limits. A piece of chalk is more rigid and a skirt is made of fabric, which are not as easily broken by stretching or bending.
Because, the eggshells cannot reflect the materials used in making the chalkboards,in sidewalks, it's okay,because it is rough,but in the chalkboards is is very slippery,that's,,hope it helps! :))
Yes, chalk is made of calcium carbonate, which can burn when exposed to high temperatures. The chalk will undergo chemical changes and eventually turn into calcium oxide and carbon dioxide when burned.
chalk
colored chalk sidewalk chalk dustless chalk
Some compound words with "chalk" are chalkboard, chalk dust, chalk line, chalk stick.
A collective noun for chalk is a box of chalk.
your an idiot, no a whitle chalk is not longer than aq blue chalk
The word 'chalk' is a neuter noun, a word for a thing that has no gender.
In chalk water, the solute is chalk particles, while the solvent is water.
There are a couple of things that make chalk hard. The calcium in chalk is said to make chalk hard.
near a chalk board
Seas with chalk in you fool
chalk = Kreide