That is water. 2 parts hydrogen, one part oxygen.
the substance in helium is h2o
Sugar dissolved in H2O is a mixture
Water
yes
This substance is water, H2O.
water/ H2o
H2O is hydrogen and oxygen
Water (H2O)
yes its a substance because its pure H2O without any minerals
Yes, water is a substance (or compound); ice is solid water - H2O.
H2O is the chemical formula of water.
and nitrogen causes h2o