State your observation when barium chloride solution is mixed with sodium sulfate solution?
Give reasons :
(a) A gas can fill the whole vessel in which it is enclosed.
(b) What do you observe when barium chloride solution is mixed with sodium sulphate solution ?
State what would you observe when: Sodium carbonate solution is mixed with calcium chloride solution.
(a) State the law of conservation of mass.
State what would you observe when: Barium chloride solution is slowly added to sodium sulphate solution.
State what you would observe when lead nitrate solution and sodium chloride solution are mixed.