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प्रश्न
Acids are corrosive in nature.
विकल्प
True
False
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उत्तर
Acids are corrosive in nature- True.
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संबंधित प्रश्न
Three solutions P, Q and R have pH value of 3.5, 5.2 and 12.2 respectively. Which one of these is a:
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- Strong alkali?
What is produced if an acid is added to a base?
The acid produced naturally in our stomach is ______.
You are supplied with five solutions: A, B, C, D and E with pH values as follows: A = 1.8, B = 7, C = 8.5, D = 13, and E = 5
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Which solution would be most likely to liberate hydrogen with:
- magnesium powder,
- powdered zinc metal?
Give a word equation for each reaction.
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 | -- | -- | |
Choosing the correct words given in brackets, complete the sentence given below:
A(n) ______ (acid/basic) salt is one in which the hydrogen of an acid has been partially replaced by a ______ (metal/non-metal).
Which of the following statements is true for acids?
Phenolphthalein is a synthetic indicator and its colours in acidic and basic solutions, respectively are ______.
Paheli observed that most of the fish in the pond of her village were gradually dying. She also observed that the waste of a factory in their village is flowing into the pond which probably caused the fish to die.
- Explain why the fish were dying.
- If the factory waste is acidic in nature, how can it be neutralised?
Name the acid present in lemon.
