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Question
Write a balanced chemical equation:
When hot and concentrated sulphuric acid reacts with the copper.
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Solution
When sulphuric acid reacts with copper, it forms copper sulphate and sulphur dioxide.
\[\ce{Cu + 2H2SO4 -> CuSO4 + 2H2O + SO2↑}\]
RELATED QUESTIONS
Comment, sulphuric acid is referred to as King of chemicals.
Name the following:
Solution obtained by dissolving sulphur trioxide in 98% sulphuric acid.
What would you observe in the following case?
100ml of 98% sulphuric acid is kept open.
Making use only of substances chosen from those given below:
Dilute sulphuric acid
Sodium carbonate
Zinc
Sodium sulphite
Lead
Salcium carbonate
Give the equation for the reaction by which you could obtain:
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(iii) Carbon dioxide
(iv) Zinc Carbonate (two steps required).
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Name the catalyst used.
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Name the chemical used to dissolve SO3 and also name the product formed. Give all the main reactions to this process.
What property of conc. H2SO4 is made use of in the following case? Give an equation for the reaction in this case:
It’s reaction with ethanol.
The following is the typical property of dilute acid. Complete it by inserting suitable words:
\[\ce{Active metal + Acid -> \underline{\phantom{.......}} + \underline{\phantom{.......}}}\]
The following is the typical property of dilute acid. Complete it by inserting suitable words:
\[\ce{Carbonate/hydrogen carbonate + Acid -> \underline{\phantom{.......}} + \underline{\phantom{.......}} + \underline{\phantom{.......}}}\]
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\[\ce{Sulphite/hydrogen sulphite + Acid -> \underline{\phantom{.......}} + \underline{\phantom{.......}} + \underline{\phantom{.......}}}\]
