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प्रश्न
Write any four physical properties of acids.
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उत्तर
- Acids are sour in taste.
- They are corrosive in nature. Strong acids can spoil substances like human skin, clothes, and paper.
- Generally, acids exist in a liquid state but few acids exist in a solid-state too. E.g. Benzoic acid.
- Acids are colorless.
- Acids change the color of the indicators. Blue litmus paper turns red and methyl orange turns pink when treated with acids.
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संबंधित प्रश्न
Complete and balance the following chemical equation:
\[\ce{NaHCO3_{(s)} + HCl_{(aq)} ->}\]
What happens when an acid reacts with a metal? Give the chemical equation of the reaction involved.
Name the product formed when Cl2 and H2 produced during the electrolysis of brine are made to combine.
What is the chemical formula of bleaching powder?
Explain the following:
Lead carbonate does not react with dilute HCl.
Acids turn blue litmus paper to ______.
What is a neutralization reaction? Give an example.
The table given below shows the reaction of a few elements with acids and bases to evolve Hydrogen gas.
| Element | Acid | Base |
| A |
✗
|
✗ |
| B |
✓
|
✓ |
| C | ✓ | ✗ |
| D | ✓ | ✓ |
Which of these elements form amphoteric oxides?
Which of the following gives the correct increasing order of acidic strength?
What is the correct procedure for mixing acid and water? Why?
