(a)(i) Define a standard solution

(ii) Give the reason why a standard solution of sodium hydroxide cannot be made by weighing out accurately a given mass of the solid and making it up to the required volume of solution

 

(b) Give two ways by which a solid solute can be made to dissolve more quickly in a liquid Solvent

(i) Draw a labelled diagram of the apparatus used for drying solids in the laboratory

 

(c) State what would be observed if a fresh precipitate of silver chloride was;

(i) Exposed to light.

(ii) Shaken will excess aqueous ammonia