Chemical Substance
Hard water is a mixture: water containing calcium and magnesium carbonates, also some sulfates or chlorides.
it is a compound. Charles law states that to be a compound it must be hard but flexible too. GENIE AND JIGGLES AND GIGGLES AND SCRIBBLES AND SOME OTHER PEOPLE ANSWERED THIS FOR YOU
Cementite is a compound that is made of iron and carbon, and is sometimes referred to as iron carbide. Because it is a hard compound, it is often used to mix with steel and harden the steel.
Pencil lead is actually not lead (Pb) at all, but it is graphite. And graphite is simply carbons atoms. So, no, it is NOT a compound mixture.
oh yes really hard
Sure! Just let me know what you'd like me to distinguish in a sentence.
Hard water is a mixture: water containing calcium and magnesium carbonates, also some sulfates or chlorides.
It would be a compound because a solution is a liquid which is hard to separate and it is not easy to separate by a magnet or something like a mixture. So it would be a compound, IM SMART!!! :)
A compound it something that is fused together e.g. copper sulfate and is hard to seperate. A mixture is something more like sand and iron, it's easy to seperate.
No, it is a pure substance.
it is a compound. Charles law states that to be a compound it must be hard but flexible too. GENIE AND JIGGLES AND GIGGLES AND SCRIBBLES AND SOME OTHER PEOPLE ANSWERED THIS FOR YOU
It's hard to distinguish between the two twins.
Cementite is a compound that is made of iron and carbon, and is sometimes referred to as iron carbide. Because it is a hard compound, it is often used to mix with steel and harden the steel.
Here are some sentences.His hard work will distinguish him from the other employees.How will you distinguish Uncle Paul from the other clowns?
There are many different types of minerals and rocks and they are sometimes hard to distinguish one from another. Apatite rocks are usually transparent green.
my buttt
It was hard to distinguish the twins when they wore the same outfit.