Free Printable Electrical properties of colloids

Worksheets

Electrical properties of colloids

Total questions: 13

Worksheet time: 5mins

Name

Class

Date

Majority of particles in water have negative charge

True

False

Milk is an example of a

solution

colloid

suspension

solid

Which one is not a colloid

Foam

Gel

Emulsion

Coffee

The size of colloids

1 mm to 1 cm

1 nm to 1 µm

1 mm to 10 mm

1 pc to 10 mm

Electric Double layer

Zeta potential layer

Diffuse layer

Stern layer + Diffuse layer

Stern layer

Diffuse layer + Zeta potential

Fixed dense layer of ions strongly adsorbed to the surface

Stern layer

Diffuse layer

Electric Double Layer

Zeta Potential

Potential difference between Stern layer and Diffuse layer

Electric Double layer

Helmholtz electrical double layer

Zeta potential

Bulk layer

The ionic strength of solution is

a measure of the moles in that solution

a measure of the the number of ions in that solution

a measure of the concentration of ions in that solution

a measure of the ions solubility

In the this equation

I=\frac{1}{2}\sum_{ }^{ }\left(z_i\right)^2\times C_M

z_i

stands for ...

zeta potential i

charge of ion i

Boltzmann constant

molar concentration of ion i

10.

In this equation, $I=\frac{1}{2}\sum_{ }^{ }\left(z_i\right)^2\times C_M$ , $C_M$ stands for

charge of ion i

molar concentration of compound

molar concentration of ion i

mass concentration of compound

11.

EDL stands for ...

electric double layer

element diffuse layer

element double layer

electric diffuse layer

12.

As particles approach each other the EDL overlap and cause repulsion

True

False

13.

EDL can be affected by

ionic strengh

osmotic pressure

molar mass

Reset

Electrical properties of colloids

Total questions: 13

Worksheet time: 5mins

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