Chemistry
Name:
(a) a chloride which is insoluble in cold water but dissolves in hot water,
(b) a chloride which is insoluble
(c) two sulphates which are insoluble
(d) a basic salt,
(e) an acidic salt,
(f) a mixed salt,
(g) a complex salt,
(h) a double salt.
Acids Bases Salts
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Answer
(a) a chloride which is insoluble in cold water but dissolves in hot water - Lead Chloride [PbCl2]
(b) a chloride which is insoluble - Silver chloride [AgCl]
(c) two sulphates which are insoluble - Barium sulphate [BaSO4] and Lead Sulphate [PbSO4]
(d) a basic salt - Basic lead chloride [Pb(OH)Cl]
(e) an acidic salt - Sodium hydrogen sulphate [NaHSO4]
(f) a mixed salt - Sodium potassium carbonate [NaKCO3]
(g) a complex salt - Sodium zincate [Na2ZnO2]
(h) a double salt - Dolomite [CaCO3.MgCO3]
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Related Questions
How would you prepare calcium sulphate from calcium carbonate.
The following is a list of methods for the preparation of salts:
A — direct combination of two elements
B — reaction of a dilute acid with a metal
C — reaction of a dilute acid with an insoluble base
D — titration of a dilute acid with a solution of soluble base.
E — reaction of two solutions of salts to form a precipitate.
Choose from the list A to E, the best method of preparing the following salts by giving a suitable equation in each case:
- Anhydrous ferric chloride
- Lead chloride
- Sodium sulphate
- Copper sulphate
Fill in the blanks with suitable words :
An acid is a compound which when dissolved in water forms hydronium ions as the only …………… ions. A base is a compound which is soluble in water contains …………… ions. A base reacts with an acid to form a …………… and water only. This type of reaction is known as …………….
What would you observe when:
(a) blue litmus is introduced into a solution of hydrogen chloride gas.
(b) red litmus paper is introduced into a solution of ammonia in water,
(c) red litmus paper is introduced in caustic soda solution?