Question

Obsertvations
Observation Table :
Sr.No Experiment procedure
1
The colour and the nature of the sodium
sulphate solution before the experiment.
2
The colour and the nature of the barium
chloride solution before the experiment.
3
The colour and the nature of the mixture
resulting on mixing the two solution into
each other.​

Answer 1

1.The color of sodium sulphate is WHITE. ... It is also termed as disodium salt because it contains 2 sodium atoms. These are the observation before the experiment.

2.Barium chloride is the inorganic compound with the formula BaCl2. ... Like most other barium salts, it is white, toxic, and imparts a yellow-green coloration to a flame. It is also hygroscopic, converting first to the dihydrate BaCl2(H2O)2.

3.Explanation: it is a double displacement reaction.