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.
Advertisement

 Multiple Choice QuestionsMatch The Following

Advertisement
1.

Match the Following:

A. Weak electrolyte (i) pH of a solution
B. colour in crystal (ii) Iodoform
C. Acetone (iii) Tollen's reagent
D. Acetone (iv) Ostwald dilution law
E. Ammonical silver nitrate (v)  F-centre
1226 Views

 Multiple Choice QuestionsFill In the Blanks

2.

Fill in the blanks by choosing the appropriate word/ words form those given in the brackets:

(Henry's, aldol condensation, absence, do not ohm, Raoult's, increases, common ion effect, easily, three, solubility product, ohm-1, two, four,ohm-1 cm2, cannizzaro, ohm-1 cm-1, zero decreases, presence.)

(i) Ideal solutions obey________ law and they_____ form azetropic mixtures.

(ii) Benzaldehyde undergoes_______ reaction due to _________ of alpha-hydrogen atom.

iii) The solubility of silver chloride ___________ in the presence of sodium chloride because of _______.

iv) The unit of conductance is ___________ and that of specific conductance is ________.

v) When the concentration of a reactant of first order reaction is doubled, the rate becomes _________ times, but for_________ order reaction, the rate remains same.

1405 Views

 Multiple Choice QuestionsMultiple Choice Questions

3.

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

The complex -ion [Ni(CN)4]2- is:

  • Square planar and diamagnetic

  • Tetrahedral and paramagnetic

  • Square planar and paramagnetic

  • Square planar and paramagnetic

370 Views

4.

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

Wohler's synthesis is used for the preparation of:

  • Glycine

  • Amino acids

  • Urea

  • Proteins

380 Views

Advertisement
5.

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

When SO2 gas is passed through acidified K2Cr2O7 solution, the colour of the solution changes to:

  • Red

  • Black

  • Orange

  • Orange

625 Views

6.

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

In the equation CH3COOH +Cl2 ----> A, the compound A is:

  • CH3CH2Cl

  • ClCH2COOH

  • CH3Cl

  • CH3Cl

870 Views

 Multiple Choice QuestionsShort Answer Type

7.

Answer the following questions:
What is the order of reaction whose rate constant has the same unit as the rate of reaction?

484 Views

8.

Answer the following:
What is the pH value of solution whose hydroxyl ion concentration is 1 x 10-2 M ?

555 Views

Advertisement
9.

Answer the following: 

Calculate the number of coulombs required to deposit 5.4g of Al when the electrode reaction is:

Al3+ +3e- -->Al

[Atomic weight of Al = 27 g/mol]

561 Views

10.

Answer the following:

The edge length of unit cell of a body centered cubic (bcc) crystal is 352pm. Calulate the radius of the atom.

633 Views

Advertisement