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प्रश्न
Since metal carbonate and metal bicarbonate are basic, they react with acids to give salt and water with the liberation of ______.
पर्याय
NO2
SO2
CO2
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उत्तर
Since metal carbonate and metal bicarbonate are basic, they react with acids to give salt and water with the liberation of CO2
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संबंधित प्रश्न
What colour does the turmeric paper turn when put in an alkaline solution?
Which gas is usually liberated when an acid reacts with a metal?
Give two examples each of organic acids and mineral acids.
One of the following is not an organic acid. This is:
(a) ethanoic acid
(b) formic acid
(c) citric acid
(d) carbonic acid
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.
The acid produced naturally in our stomach is:
(a) acetic acid
(b) citric acid
(c) hydrochloric acid
(d) sulphuric acid
Define the term ‘basicity’ of an acid.
State one observation for each of the following :
A small piece of zinc is added to dilute hydrochloric acid
Fill in the cross word given in figure with the help of the clues provided.
Across
(2) The solution which does not change the colour of either red or blue litmus.
(4) Phenolphthalein gives pink colour in this type of solution.
(7) Colour of blue litmus in lemon juice.
Down
(1) It is used to test whether a substance is acidic or basic.
(3) It is a natural indicator and gives pink colour in basic solution.
(5) Nature of ant’s sting.
(6) It is responsible for the increase in temperature during a neutralisation reaction.
Which is the strongest acid in the following?
