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Water

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

Which of the following is not a property of water

a)

Maximum density as a liquid at 4 degrees C.

b)

Excellent solute

c)

Higher surface tension than any other liquid

d)

Higher heat of evaporation than any other material

2.

This type of water pollutants is found in wastewater like bacteria, viruses, and protozoa excreted by diseased persons or animals.

a)

Pharmaceuticals and Personal Care Products (PPCPs)

b)

Pathogenic Organisms

c)

Endocrine-Disrupting Chemicals (EDCs)

d)

Toxic Metal

3.

Which of the following is not a characteristic of ground water?

a)

Absence of oxygen

b)

Turbidity is low

c)

Turbidity is high

d)

Mineral content is high

4.

A homogeneous mixture of a solvent and one or more solutes.

a)

Concentration

b)

Solute

c)

Solvent

d)

Solution

5.

Subclass of the heterotrophic organisms and consist of chiefly bacteria and fungi, which ultimately break down materials.

a)

Decomposers

b)

Autotrophic

c)

Heterotrophic

6.

Hydrogen bond is an example of intermolecular force.

a)

True

b)

False

7.

Water that is safe for drinking.

a)

Non-potable water

b)

Groundwater

c)

Surface water

d)

Potable water

8.

It refers to the chlorine-containing chemicals that remain in the water after the chlorination step.

a)

Fluoridation

b)

Residual Chlorine

c)

Chlorination

d)

Oxidation

9.

Which of the following are two examples of nutrients that are considered pollutants when they are excessive?

a)

Sulfur and Carbon

b)

Nitrogen and Carbon

c)

Nickel and Phosphorus

d)

Nitrogen and Phosphorus

10.

The ability of a body of water to produce living material.

a)

Productivity

b)

Biochemical Oxygen Demand

c)

Eutrophication

d)

Efficiency

11.

Sublimation

a)

Gas to Solid

b)

Solid to Gas

c)

Liquid to Gas

d)

Gas to Liquid

12.

Tiny openings or pores in plant tissue that allow for gas exchange

a)

Stomata

b)

Photosynthesis

c)

Transpiration

d)

Evapotranspiration

13.

Warmest layer of water in a stratified lake

a)

Epilimnion

b)

Metalimnion

c)

Thermocline

d)

Hypolimnion

14.

Correct notation for the "power of hydrogen".

a)

PH

b)

pH

c)

ph

d)

Ph

15.

Organisms that can produce its own food using light, water, carbon dioxide, or other chemicals.

a)

Autotrophic

b)

Heterotrophic

c)

Decomposers