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प्रश्न
Fill in the blank
Vinegar is the source of ________ acid.
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उत्तर
Vinegar is the source of acetic acid.
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संबंधित प्रश्न
Give the names and formulae of two strong acids and two weak acids.
Why do HCl, H2SO4, HNO3, etc., show acid character in aqueous solutions while solutions of compounds like C6H12O6 (glucose) and C2H5OH (alcohol) do not show acidic character?
What colour does phenolphthalein indicator turn when added to an alkali (such as sodium hydroxide)?
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 | -- | -- | |
Which are the industrial uses of acids?
Choose the correct answer from the options given below
Which of them occurs in solid state?
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 |
Citric acid is present in ______.
Acids have a sour taste and they are soapy to touch.
Complete the following equation.
HCl + ______ → NaCl + H2O
