Write the observation and balanced equation for the following reaction:
Sodium hydroxide is added drop-wise till in excess of a solution of zinc sulphate.
Important Questions on Analytical Chemistry Use of Ammonium Hydroxide and Sodium Hydroxide
Write the observation and balanced equation for the following reaction:
Ammonium hydroxide is added first in a small quantity and then in excess to a solution of copper sulphate.
Write the observation and balanced equation for the following reaction.
A filter paper dipped in potassium permanganate solution is put on the mouth of a test tube containing sulphur dioxide gas.
Name the anion present in the following compound:
Compound A when warmed with concentrated sulphuric acid gives a gas which fumes in moist air and which gives dense white fumes with ammonia.
Name the anion present in the following compound:
When a barium chloride solution is added to a solution of compound B, a white ppt. insoluble in dil. HCl is formed.
Give one chemical test to distinguish between the following pair of compounds:
Zinc sulphate solution and zinc chloride solution.
Give one chemical test to distinguish between the following pair of compounds:
Iron (II) chloride solution and iron (III) chloride solution.
Give one chemical test to distinguish between the following pair of compounds:
Calcium nitrate solution and calcium chloride solution.
