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प्रश्न
What would you observe in the following case?
Hot concentrated sulphuric acid is added to sodium chloride crystals.
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उत्तर
When hot concentrated sulphuric acid is added to sodium chloride crystals then white dense fumes are seen if a rod dipped in ammonia solution is brought near it.
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संबंधित प्रश्न
Name the products formed when hot and concentrated sulphuric acid reacts with Sugar.
What would you observe in the following case?
Concentrated sulphuric acid is added to equal volumes of cold water.
Give reason for the following:
When concentrated sulphuric acid is added to sugar/glucose, a black mass is left behind.
Give reason for the following:
Cotton clothes get burnt with concentrated sulphuric acid.
What would you see, when a crystal of CuSO4.5H2O is placed in concentrated sulphuric acid? Give reason to explain your observation.
Write balanced equation for the reaction of dilute sulphuric acid with the following:
Lead nitrate solution
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.
What do you see when concentrated sulphuric acid is added to copper sulphate-5-water ( You are not required to say what is happing, nor is it necessary to name the products.)
Which concentrated acid oxidizes sulphur directly to sulphuric acid ? Write the equation for the same. What is the name of the process by which sulphuric acid is manufactured ? Name the catalyst used in the process.
Complete the following sentence, choosing the correct word from the given options.
"Concentrated sulphuric acid is used in the laboratory preparation of nitric acid and hydrochloric acid because it is ____________ in comparison to these two acids."
