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What else can I help you with?
What does sulfur's texture feel like?
Sulfur usually has a soft, crumbly texture similar to that of yellow chalk or powder. It is also commonly found in its crystalline form, which can have a smooth, glassy texture.
How do you separate sulfur and fine chalk?
One common method to separate sulfur and fine chalk is through a process called flotation. This involves adding water and a reagent to the mixture to make one of the materials hydrophobic and the other hydrophilic, allowing them to be separated based on their different properties. Another method is to use a sieve to physically separate the particles based on their size differences.
What is the hardness of chalk?
There are a couple of things that make chalk hard. The calcium in chalk is said to make chalk hard.
Is chalk harder than rubber?
Chalk is harder than rubber. Chalk is a form of limestone made of calcium carbonate, which is a relatively hard mineral, whereas rubber is a soft and flexible material typically made from natural or synthetic polymers.
Is the chalk you find in nature the same as the chalk that you use on the board?
No, natural chalk found in nature is formed from the shells of marine organisms, while chalk used on chalkboards is typically made from gypsum or calcium sulfate. The chalkboard chalk is designed to have a smooth texture and be easily erased from chalkboards.
Is sulfur the same thing as chalk?
Sulphur and chalk are NOT the same. Sulphur is an element found in the Periodic Table with the symbol (S). It exists in various allotropic forms, to most common being 'yellow' in colour with the formula 'S8 '. Chalk is a white mineral , and an impure form of calcium carbonate, with the chemical formula of ' CaCO3 '. It is a comvination of 1 atom of calcium 1 atom of carbon 3 atoms of oxygen There is NO sulphur present in combination in chalk.
What does sulfur's texture feel like?
Sulfur usually has a soft, crumbly texture similar to that of yellow chalk or powder. It is also commonly found in its crystalline form, which can have a smooth, glassy texture.
How do you separate sulfur and fine chalk?
One common method to separate sulfur and fine chalk is through a process called flotation. This involves adding water and a reagent to the mixture to make one of the materials hydrophobic and the other hydrophilic, allowing them to be separated based on their different properties. Another method is to use a sieve to physically separate the particles based on their size differences.
What is the rock that makes up white cliffs of dover?
chalk
What is a word that goes before chalk?
colored chalk sidewalk chalk dustless chalk
Is mixing crushed chalk with water a chemical or physical change?
Definitely chemical. I can tell because when I do it, it lets off a sulfur smell, indicating that hydrogen sulfide has been released. I've run the same test with other acids and come up with similar results, only the residue left behind after evaporation is different. The hydrogen must be bonding with the sulfur inside the chalk and creating that strong smell (more noticeable if you use a odorless acid). Did you know that pure elemental sulfur is odorless? The true chemical you smell is hydrogen sulfide, not plain sulfur.
What compound words have chalk?
Some compound words with "chalk" are chalkboard, chalk dust, chalk line, chalk stick.
Which substance is chalk made of?
Primarily calcium carbonate, derived from the skeletons of very small ancient marine organisms.chalk is made up of calcium powder and calcium carbonate."Blackboard and sidewalk chalk were originally made from the sedimentary rock of the same name; a form of soft limestone. Chalk, composed principally of calcium carbonate (CaCO3), formed underwater by slow accumulation and compression of the calcite shells of single-celledcoccolithophores."
What is a collective noun for chalk?
A collective noun for chalk is a box of chalk.
Does white chalk last longer than blue chalk?
your an idiot, no a whitle chalk is not longer than aq blue chalk
What is the gender of chalk?
The word 'chalk' is a neuter noun, a word for a thing that has no gender.
What is the solute and solvent in chalk water?
Water is the solvent and chalk is the solute.
