Write the Balanced Equation for the Preparation of the Following Salt in the Laboratory: a Soluble Sulphate by the Action of an Acid on an Insoluble Base. - Chemistry

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Write the balanced equation for the preparation of the following salt in the laboratory:

A soluble sulphate by the action of an acid on an insoluble base.



MgCO3 + H2SO4 ⟶ MgSO4 + H2O + CO2

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Chapter 3: Acids, Bases and Salts - Exercise 3B [Page 56]


Selina Concise Chemistry Class 10 ICSE
Chapter 3 Acids, Bases and Salts
Exercise 3B | Q 13.1 | Page 56

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Explain the following :
Carbonic acid gives an acid salt but hydrochloric acid does not. 

How is an acid prepared from a Non-metal
Give an equation for it.

Give equation to show how the following is made from their corresponding anhydride.
phosphoric acid

Name a salt prepared by direct combination. Write an equation for the reaction that takes place in preparing the salt you have named.

Write the balanced equation for the preparation of the following salts in the laboratory:

An insoluble salt by the action of an acid on another salt.

Give the preparation of the salt shown in the left column by matching with the methods given in the right column. Write a balanced equation for each preparation.

Salt Method of preparation
Zinc Sulphate Precipitation
Ferrous sulphide Oxidation
Barium Sulphate Displacement
Ferric sulphate Neutralisation
Sodium sulphate Synthesis

Explain hydronium ion. Write the ionization of sulphuric acid showing the formation of hydronium ion.

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)
What is the first step that is required to prepare lead sulphate from lead carbonate?

Choosing only substances from the list given in the box below, write equations for the reactions which you would use in the laboratory to obtain:

  1. Sodiumsulphate
  2. Coppersulphate
  3. Iron(II)sulphate
  4. Zinc carbonate

Dilute sulphuric acid


Copper carbonate



Sodium carbonate







Mention the colour changes observed when the following indicators are added:




(a) Alkaline phenolphthalein solution

(b) Methyl orange solution

(c) Neutral litmus solution




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