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प्रश्न
Give the name and formula of two : Volatile acids
उत्तर
(i) Carbonic acid H2CO3
(ii) Acetic acid
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संबंधित प्रश्न
Name the acid-base indicator extracted from lichen.
The acid produced naturally in our stomach is:
(a) acetic acid
(b) citric acid
(c) hydrochloric acid
(d) sulphuric acid
One of the following salts will give an alkaline solution on dissolving in water. This is:
a) Na2CO3
(b) Na2SO4
(c) NaCl
(d) (NH4)2 SO4
Which acid is used for getting chloride salt?
Solution A is strong acid B weak acid C strong alkali.
Which solution contains solute molecules in addition to water molecules?
Complete the following table and write one equation for each to justify the statement:
|
Reactants |
Products |
Method |
|
Soluble base + Acid (dil) |
Salt + water |
Neutralisation Titration |
|
Metal + Non-metal |
Salt (soluble/insoluble) |
______ |
|
Insoluble base + ______ |
Salt (soluble) + water |
______ |
|
Active metal + Acid (dil) |
______ + ______ |
______ |
|
Soluble salt solution (A) + Soluble salt solution (B) |
Precipitated salt + Soluble salt |
______ |
|
Carbonate/bicarbonate + Acid (dil) |
Salt + ______ + ______ |
Decomposition of carbonate |
|
Chlorides/nitrates + Acid (conc.) |
______ + ______ |
Decomposition of chlorides and nitrates |
Acids are bitter in taste.
Match the acids given in column (A) with their correct source given in column (B)
| Column (A) | Column (B) |
| (a) Lactic acid | Tamarind |
| (b) Acetic acid | Lemon |
| (c) Citric acid | Vinegar |
| (d) Tartaric acid | Curd |
Lemon juice and vinegar taste ___________ because they contain ___________.
When an acidic solution is mixed with a basic solution, they _________ each other forming _________ and water.
