Subject

Chemistry

Class

ICSE Class 12

Pre Boards

Practice to excel and get familiar with the paper pattern and the type of questions. Check you answers with answer keys provided.

Sample Papers

Download the PDF Sample Papers Free for off line practice and view the Solutions online.
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 Multiple Choice QuestionsMatch The Following

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1. Match the following :
A. Carbylamine reaction  (i) asymmetric carbon atom
B. Disaccharide (ii) explosive
C. TNT (iii) condensation polymer
D. TNT (iv) sucrose
E. Optical isomerism  (v) abnoxious smell
642 Views

 Multiple Choice QuestionsFill In the Blanks

2.

Fill in the blanks choosing appropriate words given in brackets : 

[Olefenic, aldol, safety matches, sodium sulphite, homolytic, organometallic, aldol condensation, flowers of sulphur, pesticides, heterolytic, antiknock, β-hydroxy-aldehyde, rat poison, sulphur dioxide, free radicals, antichlor, mixed condensation, photography, sodium hydroxide, charged species].

(i) Red phosphorus is used in the manufacture of______and________.

(ii) Hypo is prepared by boiling________solution with_________in alkaline medium.

(iii) The breaking of covalent bonds may be either through_______or by________fission.

(iv) Acetaldehyde in presence of dilute alkali gives_______and the reaction is called______.

(v) TEL, an_______compound, is used as an________agent.

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 Multiple Choice QuestionsMultiple Choice Questions

3.

Complete the following statements by selecting the correct alternative from the choices given :

(i) A quantitative relationship between the temperature and rate constant of a reaction is given by

  • Nernst equation  
  • Arrhenius equation
  • Van’t Hoff equation 
  • Van’t Hoff equation 
193 Views

4.

Complete the following statements by selecting the correct alternative from the choices given :

In the reaction HOH + NH3 ⇌ NH+4 + OH, water acts as :

  • Lewis acid
  • Lewis base
  • Both as Lewis acid and Lewis base
  • Both as Lewis acid and Lewis base
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5.

Complete the following statements by selecting the correct alternative from the choices given :

The number of Faradays which will be required to reduce 4 gram equivalents of Cu2+ to Cu metal is :

  • 1
  • 2
  • 3
  • 3
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6.

Complete the following statements by selecting the correct alternative from the choices given :

Entropy is an example of:

  • Intensive property
  • Extensive property
  • Colligative property
  • Colligative property
264 Views

7.

Complete the following statements by selecting the correct alternative from the choices given :

Mac Arthur-Forrest process is used for the extraction of:

  • Aluminium 
  • Copper
  • Silver 
  • Silver 
243 Views

 Multiple Choice QuestionsShort Answer Type

8.

Correct the following statements :

Molarity of a solution in independent of temperature.

350 Views

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9.

Correct the following statements :

Radioactive disintegration is a second-order process.

340 Views

10.

Correct the following statements :

Linear overlap of two atomic p-orbitals leads to the formation of pi-bond.

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