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Question
Identify the acid in the following case:
The acid which produces sugar charcoal from sugar.
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Solution
Concentrated sulphuric acid
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RELATED QUESTIONS
A, B, C, and D summarize the properties of sulphuric acid depending on whether it is dilute or concentrated.
A = Typical acid property
B = Non volatile acid
C = Oxidizing agent
D = Dehydrating agent
Choose the property (A, B, C or D) depending on which is relevant to each of the following
1) Preparation of Hydrogen chloride gas
2) Preparation of Copper sulphate from copper oxide.
3) An action of conc. Sulphuric acid on Sulphur.
Give balanced chemical equations for the action of sulphuric acid on the following:
Potassium hydrogen carbonate.
Give two balanced reactions of each type to show the following properties of sulphuric acid:
Hygroscopic nature
What would you observe in the following case?
Hot concentrated sulphuric acid is added to sodium chloride crystals.
Give reason for the following:
When solution of sulphur dioxide is exposed to air, it gets converted to sulphuric acid.
Write balanced equation for the reaction of dilute sulphuric acid with the following:
Copper carbonate
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.)
Write the equation for the laboratory preparation of the following salts, using sulphuric acid.
Copper sulphate from copper.
State one appropriate observation of the following:
Concentrated sulphuric acid is added dropwise to a crystal of hydrated copper sulphate.
An acid obtained from concentrated nitric acid on reaction with Sulphur ______.
