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प्रश्न
Give two examples of the following:
oxy-acid
उत्तर
Nitric acid (HNO3), Sulphuric acid (H2SO4)
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संबंधित प्रश्न
Ammonia is found in many household products, such as window cleaners. It turns red litmus blue. What is its nature?
Which gas is usually liberated when an acid reacts with a metal?
Consider the following substances:
NaCl, Ca(OH)2, NaHCO3, NH3, Na2CO3, H2O, Cl2, CO2, CaSO4.2H2O, 2CaSO4.H2O, CaOCl2
Which compound is used as an antacid?
Out of HCl and CH3COOH, which one is a weak acid and why? Describe an activity to support your answer.
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 | -- | -- | |
Which of the following is acidic in nature?
What are acids?
A metal 'M' on reacting with dilute acid liberates a gas 'G'. The same metal also liberates gas 'G' when reacts with a base.
- Write the name of gas 'G'.
- How will you test the presence of this gas?
- Write chemical equations for the reactions of the metal with (1) an acid and (2) a base.
Which one of the following will not produce acid with water?
Select an oxide which dissolves in water forming an acid.
