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प्रश्न
An hydrous hydrogen chloride is not an acid but its aqueous solution is a strong acid. Explain.
उत्तर
Anhydrous hydrogen chloride is not an acid but its aqueous solution is a strong acid because anhydrous means without water and we know that the property of acidity is shown by a substance only when it is dissolved in water or its aqueous solution is prepared.
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संबंधित प्रश्न
Name one natural source of the following acids:
(d) Tartaric acid
What are organic acids and mineral acids?
What happens during a wasp sting? What is its remedy?
What type of ions is formed when an acid is dissolved in water?
Consider the following substances:
NaCl, Ca(OH)2, NaHCO3, NH3, Na2CO3, H2O, Cl2, CO2, CaSO4.2H2O, 2CaSO4.H2O, CaOCl2
Which compound is used as an antacid?
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 | -- | -- | |
Match the substances in Column I with those in Column II.
| Column 1 | Column II | ||
| (a) | Tartaric acid | (i) | soap |
| (b) | Calcium hydroxide | (ii) | curd |
| (c) | Formic acid | (iii) | unripe mangoes |
| (d) | Sodium hydroxide | (iv) | ant’s sting |
| (e) | Lactic acid | (v) | lime water |
When an acidic solution is mixed with a basic solution, they _________ each other forming _________ and water.
______ acids have a relatively smaller amount of acids dissolved in a solvent.
To Interpret:
CH4 and NH3, are not acids.
