MEDIUM
10th CBSE
IMPORTANT
Earn 100

The colours of aqueous solutions of and as observed in the laboratory are:
(a)pale green and light blue respectively
(b)light blue and dark green respectively
(c)dark blue and dark green respectively
(d)dark blue and pale green respectively

50% studentsanswered this correctly

Important Questions on Chemical Reactions and Equations
MEDIUM
10th CBSE
IMPORTANT
A student prepared an aqueous solution of in beaker X and an aqueous solution of in beaker Y. He then dropped some iron pieces in beaker X and some zinc pieces in beaker Y. After about hours, he observed that the solutions in X and Y respectively appears :

MEDIUM
10th CBSE
IMPORTANT
Name the precipitate formed when aqueous solutions of sodium sulphate and barium chloride are mixed?

MEDIUM
10th CBSE
IMPORTANT
What is the colour of the precipitate, which is formed when aqueous solutions of sodium sulphate and barium chloride are mixed?

MEDIUM
10th CBSE
IMPORTANT
What is the colour of an aqueous solution of barium chloride?

MEDIUM
10th CBSE
IMPORTANT
Some crystals of ferrous sulphate were dissolved in distilled water. The colour of solution obtained was :

MEDIUM
10th CBSE
IMPORTANT
A student puts one big iron screw each in four test tubes containing an aqueous solution of aluminium sulphate, copper sulphate, ferrous sulphate and zinc sulphate. After some time, he observed a reddish-brown coating only on the surface of the screw which was put in the solution of:

MEDIUM
10th CBSE
IMPORTANT
Which one is the correct statement about the reaction?

MEDIUM
10th CBSE
IMPORTANT
What is the colour of an aqueous solution of sodium sulphate?
