Chemistry Class 12

Chemistry Class 12

12th Grade

21 Qs

quiz-placeholder

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Chemistry Class 12

Chemistry Class 12

Assessment

Quiz

Chemistry

12th Grade

Hard

Created by

ashish jha

Used 135+ times

FREE Resource

21 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Which among the following will show anisotropy ?

Glass

NaBr

Plastic

Rubber

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the solids show the following properties ?

1. Electrical conductivity

2.Malleability

3.Ductility

4.Fairly high melting point

Ionic solids

Covalent solids

Metallic solids

Molecular solids

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Which of the following forms a molecular solid when solidified ?

Calcium fluoride

Silicon dioxide

Carbon dioxide

Sodium chloride

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Which type of crystals contain more than one bravais lattice ?

Hexagonal

Triclinic

Rhombohedral

Monoclinic

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

A compound is formed by 2 elements Y and Z . The element Z forms ccp and atoms Y occupies 1/3rd of tetrahedral voids . The formula of the compound is

Y2Z3

YZ

YZ3

Y2Z

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The coordination number of metal crystallising in a hexagonal close packing is

12

4

8

6

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Edge length of unit cell of chromium metal is 287 pm with bcc arrangement . The atomic radius is of the order

124.27 pm

287 pm

574 pm

143.5 pm

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