1.hydrogen
2.carbon
3.argon
4.titanium
5.cesium
True.
A catalyst is a substancr that increases the rate of a chemical reaction without itself undergoing any permanent chemical change.
It is a compound because a compound is two or more different elements chemically combined.
A)3 bcuz paper filters are used to separate solids from liquids
b) 2 bcuz it is a process of separating a pure liquid from a mixture of other liquids.And it works when it has different boiling point
I think that it is true to the bone
