1. Identify the product which represents the solid state in the above reaction.

a) Barium chloride
b) Barium sulphate
c) Sodium chloride
d) Sodium sulphate

2. The colour of the solution observed after 30 minutes of placing zinc metal to copper sulphate solution is
a) Blue
b) Colourless
c) Dirty green
d) Reddish Brown

3. Mild non-corrosive basic salt is
a) Ca (OH)2
b) NaCl
c) NaOH
d) NaHCO3

4. On adding dilute sulphuric acid to a test tube containing a metal ‘X’, a colourless gas is produced when a burning match stick is brought near it. Which of the following correctly 
represents metal ‘X’?
a) Sodium
b) Sulphur
c) Copper
d) Silver

Transcribed Image Text:

Test tube containing solution of sodium sulphate Test tube containing solution of barium chloride Test tube containing solution of sodium sulphate Test tube containing solution of barium chloride

Answer rating: 100% (QA)

1 b Barium Sulphate Barium chloride and Sodium Sulphate reacts to form Barium Sulphate and S... View the full answer