Chemistry Test

Result

Chemistry Test - 4

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Weekly Quiz Competition

Question 1
3 / -1

A
1/4

B

C
K

D
Question 2
3 / -1

The specific conductance of a solution is 0.3568 ohm^-1cm^-1. When placed in a cell the conductance is 0.0268 ohm^-1. The cell constant is ________cm^-1.

A
13.31

B
13.35

C
13.38

D
13.41
Question 3
3 / -1

For the reaction 3A + 2B → C + D, the differential rate law can be written as:

A

B

C

D
Question 4
3 / -1

Which of the following statements is correct for chemisorption?

A
chemisorption is reversible

B
multilayer adsorption takes place

C
adsorption increases with temperature

D
the heat of adsorption is generally less than 40 kJ mol^-1
Question 5
3 / -1

Between two successive ionisation potential values, a large difference is observed for Calcium in

A
I₁, I₂

B
I₂, I₃

C
I₃, I₄

D
I₄, I₅
Question 6
3 / -1

Electromagnetic separation is used in the concentration of

A
Copper pyrites

B
Bauxite

C
Cassiterite

D
Cinnabar
Question 7
3 / -1

The temporary hardness of a water sample is due to compound X. Boiling this sample converts X to compound Y. X and Y, respectively, are:

A

B

C

D
Question 8
3 / -1

NaH is an example of :

A
Electron - rich hydride

B
Saline hydride

C
Molecular hydride

D
Metallic hydride
Question 9
3 / -1

Match the following :

A
A - 3; B - 4; C - 2; D - 1

B
A - 2; B - 3; C - 4; D - 1

C
A - 4; B - 3; C - 1; D - 2

D
A - 1; B - 2; C - 3; D - 4
Question 10
3 / -1

Which of the following is/are colourless?

A
I and II

B
I, II and III

C
II, III and IV

D
All of these