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Question
Making use only of substances chosen from those given below:
(Dilute sulphuric acid, sodium carbonate, Zinc, sodium sulphite, Lead, calcium carbonate)
Give the equation for the reaction by which you could obtain sulphur dioxide.
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Solution
\[\ce{\underset{Sodium Sulphite}{Na2SO3} + \underset{Dil.sulphuric acid}{H2SO4}-> \underset{Sulphur dioxide}{Na2SO4} + SO2 + H2O}\]
RELATED QUESTIONS
Name the ions furnished by an acid.
Name the ions furnished by : a weak alkali
Name the ions furnished by : an acid
Give one example : A hydroxide which is highly soluble in water.
Give one example : A base which is not an alkali.
The preparation of lead sulphate from lead carbonate is a two step process (lead sulphate cannot be prepared by adding dilute sulphuric acid to lead carbonate.)
Write the equation for the reaction that will take place when this first step is carried out.
Choose the correct answer:
The salt which in solution gives a pale precipitate with sodium hydroxide solution and a white precipitate with barium chloride solution is:
For each of the salt: A, B, C and D, suggest a suitable method of its preparation.
B is an insoluble salt.
From the formula listed below, choose one, in the following case, corresponding to the salt having the given description:
AgCl, CuCO3, CuSO4.5H2O, KNO3, NaCl, NaHSO4, Pb(NO3)2, ZnCO3, ZnSO4.7H2O.
An insoluble chloride.
Making use only of substances chosen from those given below:
(Dilute sulphuric acid, sodium carbonate, Zinc, sodium sulphite, Lead, calcium carbonate)
Give the equation for the reaction by which you could obtain zinc carbonate (two steps required).
