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Quiz - Finals - 202

Total questions: 21

Worksheet time: 11mins

Name
Class
Date
1.

Non-polar molecules are considered neutral because they have a/an:

a)

even distribution of charge

b)

parallel particle charges

c)

self-aligning charges

d)

fixed charges

2.

Which part of the solution does 'Salt' represents?

a)

solute

b)

solvent

c)

solution

d)

mixture

3.

Which part of the solution does 'Water' represents?

a)

solute

b)

solvent

c)

solution

d)

mixture

4.

Water molecule is considered as polar molecule because it has _______:

a)

negative charge and neutral end

b)

a slightly negative and slightly positive end

c)

neutral charge on both ends

d)

it is easily dissolve by a non-polar molecule

5.

Which type of solution would still allowed more solutes to be dissolved?

a)

saturated

b)

unsaturated

c)

supersaturated

d)

balanced

6.

Solution that contains more than maximum of solute and have recrystallization: __________

a)

saturated

b)

unsaturated

c)

supersaturated

d)

balanced

7.

The formula for calculating ‘concentration’ if a liquid + solid solution is represented by:

a)

mass of solute / volume of solution

b)

mass of solute / mass of solvent

c)

volume of solute / volume of solution

d)

volume of solution / mass of solute

8.

The formula for calculating ‘concentration’ if its only either liquid or gas solution is represented by:

a)

mass of solute / mass of solution x 100%

b)

mass of solute / mass of solvent x 100%

c)

vol. of solute / vol. of solution x 100%

d)

volume of solution / mass of solute x 100%

9.

A _________ is a mixture in which substances are not evenly mixed.

a)

homogeneous

b)

heterogeneous

c)

monogeneous

d)

isogeneous

10.

It is another name or description for a homogeneous mixture.

a)

isotopes

b)

solution

c)

bonded mixture

d)

compound

11.

Change needed to form and create elemental bond (2): __________

a)

Physical

b)

Natural

c)

Chemical

d)

Stable

12.

Change needed to form another matter which are not bonded with each other (5): __________

a)

Physical

b)

Natural

c)

Chemical

d)

Stable

13.

Consist of two or more atoms which are bonded together (3): __________

a)

Element

b)

Substance

c)

Compound

d)

Mixture

14.

A matter that can vary in composition (6): _________

a)

Element

b)

Substance

c)

Compound

d)

Mixture

15.

Only consist of 1 type of atom (1): __________

a)

Element

b)

Substance

c)

Compound

d)

Mixture

16.

A matter with always the same composition (4): __________

a)

Element

b)

Substance

c)

Compound

d)

Mixture

17.

An unevenly mixed substances (8): __________

a)

Unstable mixture

b)

Homogeneous

c)

Heterogeneous

d)

Multigeneous

18.

Which among the following are an example of physical separation of mixture? Choose all possible answer/s

a)

filtering

b)

boiling

c)

using a magnet

d)

burning

19.

Which among the compounds has very minimal change in solubility even the temperature kept increasing?

a)

NaCl

b)

Ce2(S04)3

c)

KCl

d)

KNO3

20.

Which among the compounds would have a lower solubility while increasing the temperature?

a)

KCl

b)

KNO3

c)

Ce2(S04)3

d)

NaCl

21.

Free point!

Give one (1) difference between a substance and a mixture:

4 lines