chalk
vapour pressure of common salt is higher... hence it cannot be sublimed...
Chalk is almost pure Calcium Carbonate. Chalk is a form of Calcium.
yes but you have to soak the chalk more than the pastels
The effect the chalk has on ants is that it can penetrate their skin and dehydrate them. Chalk can slowly kill an ant.
Yes, mercury can sublime.
sublimed.
No, iodine is a violet coloured solid on heating it sublimed into violet gas.
because mobley wills it!
chalk
Sublimed sulfur is often called flowers of sulfur. This is cyclic ring, S8 allotrope. Note that the sublimation is not what is normally meant as a transition from solid to gas. This is the precipitation of sulfur vapour in an inert atmosphere- its called sublimation but technially its deposition.
colored chalk sidewalk chalk dustless chalk
rubber is harder than chalk !
vapour pressure of common salt is higher... hence it cannot be sublimed...
There are a couple of things that make chalk hard. The calcium in chalk is said to make chalk hard.
A collective noun for chalk is a box of chalk.
Nature's chalk is limestone--hard. Blackboard chalk is soft--gypsum.