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प्रश्न
Ammonia is found in many household products, such as window cleaners. It turns red litmus blue. What is its nature?
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उत्तर
Ammonia is basic in nature as it turns the colour of red litmus paper to blue.
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संबंधित प्रश्न
When a piece of limestone reacts with dilute HCl, a gas X is produced. When gas X is passed through lime water then a white precipitate Y is formed. On passing excess of gas X, the white precipitate dissolves forming a soluble compound Z.
- What are X, Y and Z?
- Write equations for the reactions which take place:
- When limestone reacts with dilute HCl.
- When gas X reacts with lime water to form white precipitate Y.
- When excess of gas X dissolves white precipitate Y to form a soluble compound Z.
How is the neutralisation of a carbonate with an acid different from the neutralisation of an oxide or a hydroxide?
What type of ions is formed when an acid is dissolved in water?
Name an acid used in a drink.
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).
Write the important uses of hydrochloric acid and sulphuric acids.
Which one of the following acids undergoes complete ionisation?
Complete the following equation.
HCl + H2O → ______ + ______.
Complete the following equation.
ZnO + 2HCl → ______ + ______.
Acidic or basic solutions are good conductors of electricity. Justify your answer.
