No, glass is a mixture. The exact composition depends on the type of glass.
No
it is a pure substance.... not
Methane is a pure substance.
Helium is pure as it is on the periodic table.
Wax is not a good substance for glue, it's totally different.
Silicon is an element. Its symbol is Si.
This depends on the type of glue.
pure substance, propanone
Wax is NOT a good substance for glue, it can seal things such as envelopes, but will not actually glue anything.
it is a pure substance.... not
Pure substance
A pure substance is the same throughout. When a substance is 100% something it is pure.
Methane is a pure substance.
Helium is pure as it is on the periodic table.
Wax is not a good substance for glue, it's totally different.
silicon is a pure substance because it is an element and as we know an element is a pure substance
Silicon is an element. Its symbol is Si.
pure substance