If potassium nitrate is added to water in a beaker to give a homogeneous mixture, then potassium nitrate is referred to as the _____, water as the _____, and homogeneous mixture as the _____.
[solution/solute/solvent/saturated solution]
Important Questions on Water
State whether the following statement is true or false. If false write the correct statement.
Seawater contains salts of calcium and magnesium.
State whether the following statement is true or false. If false write the correct statement.
Water finds application as a means of transporting goods.
State whether the following statement is true or false. If false write the correct statement.
On boiling- water exists in the liquid state.
State whether the following statement is true or false. If false write the correct statement.
Respiration uses up water from the atmosphere.
State whether the following statement is true or false. If false write the correct statement.
Well water exists below the impervious rocky layers of earth.
State whether the following statement is true or false. If false write the correct statement.
Sodium carbonate and sodium sulphate do not form an aqueous solution.
State whether the following statement is true or false. If false write the correct statement.
If 'X' g. of solute is added to of water at and the solution formed is a saturated solution, then 'X' g. is the solubility of the solute.
State whether the following statement is true or false. If false write the correct statement.
Purification of water is carried out to remove – dissolved gases e.g. carbon dioxide and dissolved minerals like magnesium salts.
