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(English Medium) ICSE Class 10 - CISCE Important Questions

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From the list of the following salts choose the salt that most appropriately fits the
description is given in the following:

[AgCl, MgCl2, NaHSO4, PbCO3, ZnCO3, KNO3, Ca(NO3)2]

On heating, this salt gives a yellow residue when hot and white when cold

Appears in 1 question paper
Chapter: [3.2] Salts and their Preparations
Concept: Salts

From the list of the following salts choose the salt that most appropriately fits the
description is given in the following:

[AgCl, MgCl2, NaHSO4, PbCO3, ZnCO3, KNO3, Ca(NO3)2]

On heating this salt, a brown colored gas is evolved.

Appears in 1 question paper
Chapter: [3.2] Salts and their Preparations
Concept: Salts

Distinguish between the given pairs of compounds using the test given within brackets:

A lead salt and a zinc salt (using excess ammonium hydroxide)

Appears in 1 question paper
Chapter: [3.2] Salts and their Preparations
Concept: Methods of Preparation of Soluble Salts

Draw the structure of the stable positive ion formed when an acid dissolves in water.

Appears in 1 question paper
Chapter: [3.2] Salts and their Preparations
Concept: Preparation of Insoluble Salts

Give balanced chemical equations to prepare the following salts

Lead sulphate from lead carbonate

Appears in 1 question paper
Chapter: [3.2] Salts and their Preparations
Concept: Classification of Salts

Give balanced chemical equation to prepare the following salt:

Copper chloride using copper carbonate

Appears in 1 question paper
Chapter: [3.2] Salts and their Preparations
Concept: Laboratory Preparation of Some Salts

Name the kind of particles present in carbonic acid.

Appears in 1 question paper
Chapter: [3.2] Salts and their Preparations
Concept: Preparation of Insoluble Salts

The salt solution which does not react with ammonium hydroxide is :

Appears in 1 question paper
Chapter: [3.2] Salts and their Preparations
Concept: Classification of Salts

The property by which certain hydrated salts, when left exposed to the atmosphere, lose their water of crystallization and crumble into powder.

Appears in 1 question paper
Chapter: [3.2] Salts and their Preparations
Concept: Salts

Write a balanced chemical equation for Action of dilute hydrochloric acid on magnesium sulphite.

Appears in 1 question paper
Chapter: [3.2] Salts and their Preparations
Concept: Salts

State one relevant observation for the following:

Anhydrous calcium chloride is exposed to air for some time.

Appears in 1 question paper
Chapter: [3.2] Salts and their Preparations
Concept: Salts

Write a balanced equation for the preparation of the following salts:

Copper sulphate from Copper Carbonate.

Appears in 1 question paper
Chapter: [3.2] Salts and their Preparations
Concept: Salts

Write a balanced equation for the preparation of the following salts:

Zinc carbonate from Zinc sulphate

Appears in 1 question paper
Chapter: [3.2] Salts and their Preparations
Concept: Salts

Define normal salt.

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Chapter: [3.2] Salts and their Preparations
Concept: Classification of Salts

 Choose the correct answer from the options given below :
An electrolyte which completely dissociates into ions are : 

Appears in 1 question paper
Chapter: [3.2] Salts and their Preparations
Concept: Preparation of Insoluble Salts

State one observation for each of the following  : 
Lead nitric is heated strongly in a test tube. 

Appears in 1 question paper
Chapter: [3.2] Salts and their Preparations
Concept: Salts

The pH values of three solutions A, B and C are given in the table. Answer the folloiwng questions:

Solution pH value 
A 12
B 2
C 7


 Which solution will have no effect on litmus solution? 

Appears in 1 question paper
Chapter: [3.2] Salts and their Preparations
Concept: Salts

 The pH values of three solutions A, B and C are given in the table. Answer the folloiwng questions: 

Solution pH value
A 12
B 2
C 7

 Which solution will liberate CO2 when reacted with sodium carbonate? 

Appears in 1 question paper
Chapter: [3.2] Salts and their Preparations
Concept: Salts

 Name the particles present in : 
Strong electrolyte 

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Chapter: [3.2] Salts and their Preparations
Concept: Salts

 Choose the method of preparation of the following salts, from the methods given in the list:
[List :  A. Neutralization B. Precipitation  C. Direct combination D. Substitution ]
(i) Lead chloride
(ii) Iron (II) sulphate
(iii) Sodium nitrate

(iv) Iron (III) chloride 

Appears in 1 question paper
Chapter: [3.2] Salts and their Preparations
Concept: Methods of Preparation of Soluble Salts
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