That is a fictitious molecular formula; no substance contains it.
oxidising substances are substances which gives oxygen or gains hydrogen
Substances that are not pure.
The substances that are hard and which cannot be scratched is known as hard substances
There are very few pure substances around us. Most substances are mixtures, or compounds.
Substances????
The elements of ecosystem is so important. They provide the needs of a place where both living and non-living things exist and interact with each other. The 7 common substances of ecosystem are: abiotic substances, biotic substances,biot substances,bio substances,bi substances,b substances, and substances.
Chemical
what is the substances of hydrogen
Which substances are compounds?
Which substances could you use to demonstrate morphing Are these substances fluids?
Compound substances.
oxidising substances are substances which gives oxygen or gains hydrogen
Yes, compounds are substances.
Antioxidants
Substances that are not pure.
Exocytosis takes substances out of the cell and endocytosis brings substances into the cell.
The substances that are hard and which cannot be scratched is known as hard substances