Advertisements
Advertisements
प्रश्न
The correct way of making a solution of acid in water is to ______.
विकल्प
add water to acid.
add acid to water.
mix acid and water simultaneously.
add water to acid in a shallow container.
Advertisements
उत्तर
The correct way of making a solution of acid in water is to add acid to water.
Explanation:
The correct way of making a solution of acid in water is to add acid to water. It is an exothermic reaction and a large amount of heat is produced if water is added to acid.
APPEARS IN
संबंधित प्रश्न
Write any two important uses of bases.
Identify the following solutions, whether they are acid or base.
| Solution | Change in Indicator | Acid/Base | ||
| Litmus | Phenolphthalein | Methyl orange | ||
| 1. | -- | No change | -- | |
| 2. | -- | -- | Orange colour turns red | |
| 3. | Red litmus turns blue | -- | -- | |
Tartaric acid is a ______ acid.
Define an acid.
Give the name and formula of two : Strong monobasic acids
An hydrous hydrogen chloride is not an acid but its aqueous solution is a strong acid. Explain.
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 |
Turmeric is a natural indicator. On adding its paste to acid and base separately, which colours would be observed
Match the following:
| 1. | The hardest substance in our body | a. | Aluminum phosphate |
| 2. | Citrus fruits | b. | Potash alum |
| 3. | Rice plant | c. | Insoluble in water |
| 4. | Double salts | d. | Acidic soil |
| 5. | Silver chloride | e. | Calcium phosphate |
| f. | Alkaline soil |
Which one of the following will not produce acid with water?
