Give Equations to Prepare the Following as Directed - Chemistry


Give equation to prepare the following as directed
NaHCO3 from Na2CO3



\[\ce{Na2CO3 + CO2 + H2O -> 2NaHCO3}\]

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Chapter 3: Study Of Acids, Bases and Salts - Exercise 2 [Page 71]


Frank ICSE Class 10 Chemistry Part 2
Chapter 3 Study Of Acids, Bases and Salts
Exercise 2 | Q 10.3 | Page 71

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Give equation to show how the following is made from their corresponding anhydrides.
sulphuric acid

How would you obtain salt from another salt?

Name the procedure used to prepare a sodium salt such as sodium sulphate.

How is the following salt prepared:
Sodium nitrate from sodium hydroxide.

Write the balanced equation for the preparation of the following compounds, starting from iron and using other substance: Iron (II) chloride

Choosing the correct words given in brackets, complete the sentence given below: Copper sulphate from copper.

Choose the correct answer.
Carbon dioxide and sulphur dioxide gas can be distinguished by using

The diagram given below is to prepare iron (III) chloride in the laboratory.

(i) What is substance B?
(ii) What is the purpose of B?
(iii)Why is iron (III) chloride to be stored in a closed container?
(iv) Write the equation for the reaction between iron and chloride ?

From the list given below, select the word(s) required to correctly complete blanks (i) to (v) in the following passage. The words from the list are to be used only once. Write the answers as (a) (i), (ii) (iii) and so on. Do not copy the passage.
Ammonia, ammonium, carbonate, carbon dioxide, hydrogen, hydronium,hydroxide,precipitate,salt,water

(a) A solution M turns blue litmus red, so it must contain (i) _______ ions; another, solution O turns red litmus blue and hence, must contain (ii)__________ ions.

(b) When Solutions M and O are mixed together, the products will be (iii) ________ and (iv) ________.

(c) If a piece of magnesium was put into a solution M.(v) _________________Gas would be evolved.

What is the difference between :

The chemical nature of an aqueous solution of HCl and an aqueous solution of NH3


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