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प्रश्न
Metal corrodes due to salts.
पर्याय
True
False
MCQ
चूक किंवा बरोबर
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उत्तर
This statement is True.
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या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
संबंधित प्रश्न
Why indicator does not get affected by salt?
Oxides of metals are acidic in nature.
State the term defined by the following sentence:
A soluble base.
Chemical formula of calcium oxide is _______
All bases are alkalis.
When the soil is too basic, plants do not grow well in it. To improve its quality what must be added to the soil?
Look at figure which shows solutions taken in test tubes A, B, C and D. What colour is expected when a piece of red litmus paper is dropped in each test tube? Nature of the solutions is given in the table for your help.
| Test tube | Nature of Solution | Change in colour of red litmus |
| A | Neutral | |
| B | Basic | |
| C | Acidic | |
| D | Neutral |
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 |
Match the following:
| 1. | Sulphuric acid | a. | Weak base |
| 2. | Sodium hydroxide | b. | Strong acid |
| 3. | Acetic acid | c. | Strong base |
| 4. | Ammonium hydroxide | d. | Weak acid |
One of the events that does not occur during photosynthesis is ______.
