Chemistry
Give reasons for the following
Pressure and temperature influence the solubility of gases in water.
Related Questions
Select the correct answer from the choice given in the brackets.
- An anhydrous crystal. [blue vitriol / epsom salt / lead chloride].
- A substance which causes hardness in water. [NH4Cl/CaCl2/NaCl]
- A deliquescent salt of a divalent metal. [CuCl/CaCl2/FeCl2/PbCl2]
- An anhydrate of a heptahydrate salt. [Cu(NO3)2/Ca(NO3)2/FeSO4/CaSO4]
- A drying agent, deliquescent in nature used in a dessicator. [conc. H2SO4/ fused CaCl2/FeCl3]
Give reasons for the following
Solubility curves find utility in separation and purification of solutes.
Give reasons for the following
Heating a hydrated copper sulphate crystal is deemed a chemical change.
Give reasons for the following
Efflorescence is minimum during humid conditions.