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Potassium Permanganate

Total questions: 15

Worksheet time: 30mins

Name
Class
Date
1.

What is the video about?

a)

How fish breath?

b)

Gill discoloration

c)

Preventing fish syndromes

d)

Fish Processing Equipment

2.

What is the substance that the narrator uses to prevent fish's syndromes?

a)

Iodine

b)

Sodium chloride

c)

Potassium Permanganate

d)

Potassium chloride

3.

How many grams that Gabriel Posada uses for 200 gallons of water?

a)

8

b)

6

c)

4

d)

2

4.

The method is proper to what kind of people?

a)

researchers

b)

professionals

c)

learners

d)

home guys

5.

What happens after putting potassium permanganate to the intake?

a)

The water in the intake turned purple and the sump pump put everything in the system.

b)

The water in the intake turned red and the sump pump put everything in the ditch.

c)

The water in the intake turned brown and the sump pump put everything in the system.

d)

The water in the intake turned gold and the sump pump put everything in the system.

6.

If the substance that he puts in the sump is still active, what will be?

a)

The color of the water is red.

b)

The color of the water is coffee color.

c)

The color of the water is purple.

d)

The color of the water is brown.

7.

How long that he leaves Potassium Permanganate in the water?

a)

5 mins

b)

10 mins

c)

20mins

d)

Until the colour turns to brown, tan or coffee color.

8.

If the Potassium Permanganate is deactivate, the colour of the water will be?

a)

tan

b)

brown

c)

coffee color

d)

all of the above.

9.

When the brown colour comes on, what should we do?

a)

Change the water or treat with hydrogen peroxide.

b)

Add more water.

c)

Add some sodium chloride.

d)

Add some potassium permanganate.

10.

What is/are the benefit/s of potassium permanganate?

a)

Kills gill flukes, external bacteria and parasites.

b)

Change the colour of water

c)

Purify waste water.

d)

None all the above.

11.

Why he puts hydrogen peroxide in the brown water in sump?

a)

To reduce the brown coloration and remove potassium permanganate remnants.

b)

To reduce the parasites and the death of fish syndromes.

c)

All of the above.

d)

None of the above.

12.

After putting hydrogen peroxide in the brown water, what will happen?

a)

The water will turn red.

b)

The water will turn blue.

c)

The water will turn crystal clear.

d)

None of the above.

13.

How often he uses this method to treat water in the hatchery?

a)

once a week.

b)

twice a week.

c)

three times a week.

d)

once a month.

14.

If we want to treat the following days because your fish have got drastically heavy infestation of bacteria, should we use hydrogen peroxide? And what should we do?

a)

We shouldn't use because it costs a lot. We should only change water in the pond.

b)

We shouldn't use. We should continue with the treatment 3 days in a row.

c)

We shouldn't use. We should continue with the treatment every other day.

d)

None of the above.

15.

Why the narrator doesn't suggest us to follow the numbers of his steps, if we do at home?

a)

Because it costs a lot.

b)

Because he needn't to share his tips.

c)

Because there are some changes quantity of substance.

d)

All of the above.