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प्रश्न
Metal corrodes due to salts.
पर्याय
True
False
उत्तर
This statement is True.
संबंधित प्रश्न
Give one example in the following case:
A base which is not an alkali.
Why indicator does not get affected by salt?
What is the difference between an alkali and a base?
Wasp sting contains _______.
A solution changes the colour of the turmeric indicator from yellow to red. The solution is
Boojho, Paheli and their friend Golu were provided with a test tube each containing China rose solution which was pink in colour. Boojho added two drops of solution ‘A’ in his test tube and got dark pink colour. Paheli added 2 drops of solution ‘B’ to her test tube and got green colour. Golu added 2 drops of solution ‘C’ but could not get any change in colour. Suggest the possible cause for the variation in their results.
Sodium carbonate is commercially called ______.
Match the following:
| 1. | Wasp sting | a. | Milk of magnesia |
| 2. | Common salt | b. | Acetic acid |
| 3. | Organic acid | c. | Sodium chloride |
| 4. | Antacid | d. | Vinegar |
What is the role of toothpaste in the prevention of tooth decay?
______ alkali has a relatively high percentage of alkali in its aqueous solution.
