CuSO4 is a solid compound at room temperature. It is a blue crystalline solid that is commonly known as copper(II) sulfate.
Liquid.
gas
A solid.
you pee on it
Solid in solid: metal alloys. Liquid in liquid: vinegar dissolving in water. Gas in gas: air. Solid in liquid: salt dissolving in water. Liquid in solid: mercury absorbed by gold. Gas in liquid: carbon dioxide dissolving in soda. Solid in gas: smoke particles in air. Liquid in gas: water vapor in air. Gas in solid: hydrogen absorbed by palladium.
Liquid.
gas
a gas and a liquid cause it can be both
solid
solid.
Gas
solild
It is a rare solid.
soild
solid
Soild
At STP it is a solid