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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 carbon dioxide.
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Solution
\[\ce{\underset{Calcium carbonate}{CaCO3} + \underset{Dil.sulphuric acid}{H2SO4}-> \underset{Calcium sulphate}{CaSO4} + H2O + \underset{Carbon dioxide}{CO2}}\]
RELATED QUESTIONS
Identify the anion present in the following compounds:
A salt D on treatment with dilute sulphuric acid produces a gas which turns lime water milky but has no effect on acidified potassium dichromate solution
Draw the structure of the stable positive ion formed when an acid dissolves in water.
Name the kind of particles present in carbonic acid.
Define in term of ionization an acid.
Name the ions furnished by an acid.
Give one example : A hydroxide which is insoluble in water.
Give one example : A base which is not an alkali.
Solution A is a sodium hydroxide solution. Solution B is a weak acid. Solution C is dilute sulphuric acid. Which solution will.
(i) Liberate sulphur dioxide from sodium sulphite
(ii) Give a white precipitate with zinc sulphate solution,(iii) Contain solute molecules and ions?
From the list of the following salts choose the salt that most appropriately fits the description given in the following :
[ AgCl, MgCl2, NaHSO4, PbCO3, ZnCO3, KNO3, Ca(NO3)2 ]
(i) A deliquescent salt
(ii) An insoluble chloride
(iii) On heating this salt gives a yellow residue when hot and white when cold
(iv) On heating this salt, a brown coloured to prepare the following salts:
A black coloured solid which on reaction with dilute sulphuric acid forms a blue coloured solution is ______.
