When a finely divided active carbon or clay is stirred into a dilute solution of a dye, we observe that the intensity of colour in the solution is decreased on account of
A
if both the statement are TRUE and STATEMENT -2 is the correct explanation of STATEMENT - 1
B
If both the statement are STATEMENT -2 is NOT the correct explanation of STATEMENT -1
When a blue litmus paper is dropped into a dilute solution of acetic acid, the colour of the litmus becomes
When excess of dilute NH_4 OH is added to an aqueous solution of copper sulphate, an intense blue colour is obtained. This is due to the presence of
A student adds a few drops of the universal indicator to a solution of dilute hydrochloric acid in the way shown here. He would observe that the colour of the solution changes from colourless to:
When a metal of group 1 was dissolved in liquid ammonia, the following observations were obtained (a) Blue solution was obtained initially. On concentrating the solution, blue colour changed to bronze colour.How do you account for the blue colour of the solution? Given the name of the product formed on keeping the solution for some time.
NARENDRA AWASTHI-SURFACE CHEMISTRY-Level 3 - Assertion - Reason Type Questions
