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Questions
What is meant by the term weak acid?
What is meant by weak acids?
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Solution
An acid which is partially ionised in water and thus produces a small amount of hydrogen ions is called a weak acid.
RELATED QUESTIONS
Define normal salt.
Define a mixed salt.
Name a complex salt.
Name a double salt.
From the formulae listed below, choose one in each case corresponding to the salt having the given description :
AgCI, CuCO3, CuSO4.5H2O, KNO3, NaCI, NaHSO4, Pb(NO3), ZnCO3, ZnSO4.7H2O
(a) An acid salt
(b) An insoluble chloride
(c) On treating with concentrated sulphuric acid, this salt changes from blue to white.
(d) On heating this salt changes from green to black.
(e) This salt gives nitrogen dioxide on heating
Macth the following.
| Column A | Column B |
| 1. Acid salt | a. Sodium potassium carbonate |
| 2. Mixed salt | b. Alum |
| 3. Complex salt | c. Sodium Carbonate |
| 4. Double salt | d. Sodium zincate |
|
5. Normal salt |
e. Sodium hydrogen carbonate |
State the inference drawn from the following observation :
On carrying out the flame test with a salt P a brick red flame was obtained. What is the cation in P?
What are four types of salts?
What are double salts? Give an example?
What are basic salts? Give a suitable reaction for this.
