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प्रश्न
Fill in the blank
The word acid comes from latin word acidus meaning _________
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उत्तर
The word acid comes from the latin word acidus meaning 'sour'.
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संबंधित प्रश्न
Nitric acid turns red litmus blue.
The indicator which produces a pink colour in an alkaline solution is:
(a) methyl orange
(b) turmeric paper
(c) phenolphthalein
(d) litmus paper
What happens to temperature of the solution, when an acid is neutralised?
Which acid is produced in our stomach? What happens if there is an excess of acid in the stomach? How can its effect be cured?
Which acid is used for getting chloride salt?
Explain, all alkalis are bases but all bases are not alkalis.
Choosing the correct words given in brackets, complete the sentence given below:
An acid is a compound which, when dissolved in water gives ______ ( hydronium / hydroxide) ions as the only ______ (positive/negative) ions.
Acids are ________ 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 |
Curd contains ______ acid.
