it is powdery and white
Yes, it is possible to distinguish chalk from kaolin without using acid. One way is to conduct a streak test - kaolin will have a white streak while chalk will not. Additionally, kaolin has a greasy feel when touched, unlike chalk which feels powdery. Lastly, kaolin is less friable and harder than chalk, so their physical properties can also help differentiate them.
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.
Water is the solvent and chalk is the solute.
There are a couple of things that make chalk hard. The calcium in chalk is said to make chalk hard.
near a chalk board
chalk is a compound
chalk = Kreide