Chemistry
Related Questions
Give reasons for the following
Pressure and temperature influence the solubility of gases in water.
Give reasons for the following
Heating a hydrated copper sulphate crystal is deemed a chemical change.
Give reasons for the following
A crusty 'boiler scale' is formed in boilers, when hard water is used.
Name or state the following.
- An efflorescent decahydrate salt.
- A deliquescent salt of a trivalent metal.
- A liquid hygroscopic substance.
- A salt whose solubility decreases with rise in temperature of the solvent water.
- A substance added to remove both temporary and permanent hardness in water.