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प्रश्न
State your observation for the following case :
Dry red rose petals are placed in the jar of sulphur dioxide.
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उत्तर
Dry SO2 has no effect on dry red rose petals.
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संबंधित प्रश्न
Give two balanced reactions of each type to show the following properties of sulphuric acid:
Hygroscopic nature
Why is concentrated sulphuric acid kept in air tight bottles?
Give reason for the following:
Ammonia gas cannot be dried by passing through concentrated sulphuric acid.
How are the following conversion brought about? Give equation and condition:
Sucrose to sugar charcoal.
Give main difference between drying agent and dehydrating agent.
Give reason for the following:
Concentrated sulphuric acid is kept in airtight bottles.
Write balanced equation for the reaction of dilute sulphuric acid with the following:
Copper carbonate
In this question, you required to supply the word (or words) that will make the sentence correct. Rewrite the copper statement.
Copper sulphate crystals are dehydrate by sulphuric acid.
Concentrated sulphuric acid is both an oxidizing agent and a non-volatile acid. Write one equation each to illustrate the properties of sulphuric acid mentioned above.
Distinguish between the following pair of compounds using the test given with brackets:
Dilute sulphuric acid and dilute hydrochloric acid (using barium chloride solution)
