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प्रश्न
How will you identify?
Sulphur dioxide gas
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उत्तर
It is a colourless gas with a smell of burnt sulphur. It turns moist blue litmus paper red and finally bleaches it.
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संबंधित प्रश्न
Give reasons for the following:
A piece of wood becomes black when concentrated sulphuric acid is poured on it.
Complete the following equations :
S + conc.HNO3 →
Give reason for the following:
In the contact process, sulphur dioxide is dissolved in 98% sulphuric acid and not in water.
How are the following conversion brought about? Give equation and condition:
Sulphur trioxide to oleum.
How are the following conversion brought about? Give equation and condition:
Aqueous lead nitrate to lead sulphate.
How are the following conversion brought about? Give equation and condition:
Aqueous barium chloride to barium sulphate.
Choose the current answer from the options given below :
Which of the following gas dissolves in H2SO4 to give alum?
HCl, HNO3 and H2SO4 are formulae of three compounds. Which of these compounds has the highest boiling point and which has the lowest?
Write a balanced chemical equation:
When hot and concentrated sulphuric acid reacts with the NaOH.
What property of Sulphuric acid is exhibited in the following case?
In the preparation of HCI gas when it reacts with Sodium chloride.
