Advertisements
Advertisements
Question
State one observation for each of the following :
Lead nitric is heated strongly in a test tube.
Advertisements
Solution
Cracking noise is observed.
APPEARS IN
RELATED QUESTIONS
Write a balanced chemical equation for Action of dilute hydrochloric acid on magnesium sulphite.
State one relevant observation for the following:
Anhydrous calcium chloride is exposed to air for some time.
Write a balanced equation for the preparation of the following salts:
Zinc carbonate from Zinc sulphate
Give the names and formulae of any two salts. Also name the acids and bases from which these salts may be obtained.
The products of chloro-alkali process are ______.
The metal salt A is blue in colour. When salt A is heated strongly over a burner, then a substance B is eliminated and a white powder C is left behind. When a few drops of a liquid D are added to powder C, it becomes blue again. What could be A, B, C and D?
Name a salt whose solubility decreases with temperature.
Hard water required for an experiment is not available in a school laboratory. However, following salts are available in the laboratory. Select the salts which may be dissolved in water to make it hard for the experiment.
|
(1) |
Calcium Sulphate |
(2) |
Sodium Sulphate |
|
(3) |
Calcium Chloride |
(4) |
Potassium Sulphate |
|
(5) |
Sodium Hydrogen Carbonate |
(6) |
Magnesium Chloride |
(A) 1, 2 and 4
(B) 1, 3 and 6
(C) 3, 5 and 6
(D) 2, 4 and 5
State what would you observe when :
The salt ferric chloride is exposed to the atmosphere.
Sodium carbonate is a basic salt because it is a salt of a ____________.
