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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
Comment, sulphuric acid is referred to as oil of vitriol.
What is the name given to the salts of sulphuric acid?
Complete the following equations :
C + cons. H2SO4
What would you observe in the following case?
100ml of 98% sulphuric acid is kept open.
Name two other acids other than sulphuric acid, which can be prepared by using sulphuric acid.
Sulphuric acid is manufactured by the contact process.
Name the catalyst used.
Write a balanced chemical equation:
When hot and concentrated sulphuric acid reacts with the sugar.
Concentrated sulphuric acid is both an oxidizing agent and a non-volatile acid. Write one equation. Each illustrates the above-mentioned properties of sulphuric acid.
The following is the typical property of dilute acid. Complete it by inserting suitable words:
\[\ce{Base + Acid -> \underline{\phantom{.......}} + \underline{\phantom{.......}}}\]
Arrange the following as per the instruction given in the bracket:
Sulphuric acid, Phosphoric acid, Acetic acid (increasing order of number of replaceable H atoms per molecule).
