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प्रश्न
When an acidic solution is mixed with a basic solution, they ______ each other forming ______ and water.
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उत्तर
When an acidic solution is mixed with a basic solution, they neutralise each other forming salt and water.
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संबंधित प्रश्न
Tooth decay is caused by the presence of a base.
A white shirt has a yellow stain of curry. When soap is rubbed on this shirt during washing, the yellow stain turns reddish-brown. On rinsing the shirt with plenty of water, the reddish-brown stain turns yellow again.
Explain the changes in colour of this indicator which take place during washing and rinsing the shirt.
Write balanced equation to satisfy the following statement:
\[\ce{Acid + Sulphite or bisulphite -> Salt + water + sulphur dioxide}\]
Write a balanced reaction for the following conversions (A, B, C, D)
\[\ce{Fe→[A]FeCl2 →[B]FeCO3→[C]Fe(NO3)2→[D]Fe(OH)2}\]
Name the positive ion formed When an acid is dissolved in water.
Phenolphthalein is a synthetic indicator and its colours in acidic and basic solutions, respectively are ______.
State whether the following statement is true or false. Correct the false statement.
A compound if acidic will turn all indicators red.
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 |
Acidic or basic solutions are good conductors of electricity. Justify your answer.
Which one of the following will not produce acid with water?
