Tap water is not a pure substance because it is mixed with chemicals that purify it and if it was from the ground it has naturally occurring minerals mixed in it.
Seawater is a mixture - a compound is a chemically bonded substance involving more than one element.
Vinegar is a mixture of compounds and water.
Water is a compound. it is neither element nor mixture.
It is a mixture.
It is a mixture of salt and water.
Water vapor, like water itself, is a compound.
A mixture of oil and water is a mixture, not an element. If by substance you mean not a pure substance (element or compound), then oil and water would be a substance (that is a mixture). If you mean oil and water separately, then oil is a mixture of hydrocarbons, and water is a compound (pure substance).
Gold is a pure substance (element), water is a compound, steel is an alloy, and air is a mixture of gases.
Seawater is a mixture - a compound is a chemically bonded substance involving more than one element.
Vinegar is a mixture of compounds and water.
Ice is a solid form of water. It is a compound.
Foggy air is a mixture because it is composed of water droplets suspended in the air. It is not a pure substance with a fixed composition, so it does not qualify as an element or a compound.
water is a compound
Water is a compound.
Water is a compound.
element
element