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प्रश्न
What is the name given to the salts of sulphurous acid?
उत्तर
Hydrogen sulphites and Sulphites
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संबंधित प्रश्न
Comment, sulphuric acid is referred to as Oil of vitriol.
Give reasons for the following:
Brisk effervescence is seen when oil of vitriol is added to sodium carbonate.
Copy and complete the following table:
| Column 1 Substance reacted with acid |
Column 2 Dilute or concentrated acid |
Column 3 Gas |
| Hydrogen | ||
| Carbon dioxide | ||
| Only chlorine |
Complete the following equations :
C + cons. H2SO4
What would you observe in the following case?
Sulphur trioxide is dissolved in water on a large scale.
How will you distinguish between conc. HCl and conc. H2SO4?
Fill in the blank with appropriate word/words :
Oil of Vitriol is ___________
How will you identify?
Sulphur dioxide gas
Name the following:
A sulphate insoluble in water.
Write a balanced chemical equation when hot and concentrated sulphuric acid reacts with the following:
\[\ce{NaOH}\]
