Page 5 - X-CHEM-CBQ-CH-2
P. 5
I. Silver chloride
II. Ammonium sulphate
III. Sodium nitrate
IV. Sodium phosphate
V. Sodium acetate
Which of the following correctly matches the given salts with the nature of their
aqueous solutions?
10. a) P is an aqueous solution of acid and Q is an aqueous solution of base. When
these two are diluted separately, how will their p H be affected ? Explain your
answer.
b) (i) The pH of soil X is 7.5 while that of soil Y is 4.5. Which of the two soils,
should be treated with powdered chalk to adjust its pH and why?
( ii ) When black copper oxide placed in a beaker is treated with dilute HCl, how
would its colour change?
