One of the measures of water pollution is the quantity of dissolved ________.

Nitrogen

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Chlorine

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Oxygen

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Carbon dioxide

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Solution

The correct option is C Oxygen
Dissolved oxygen is the amount of free oxygen present in water which is not bound to any other element.
If there is an increase in pollution rates dissolved oxygen rate drops drastically affecting aquatic life.

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Similar questions

Question 21
Fill in the blanks with the help of words given in bracket after each sentence.
(a) When air is contaminated by___ substances which have a ___ effect on both the ___ and ___, it is referred to as ___. (air pollution, harmful, living, unwanted, non-living, pollutants).
(b) Many ___ are responsible for causing ___ pollution. Petroleum ___ are a major source of ___ pollutants like ___ and ___. (sulphur dioxide, refineries, industries, nitrogen dioxide, gaseous, liquid, people, air).
(c) While ___ your teeth, leaving the ___ running may waste several ___ of water. (tap, litres, brushing, washing, drops)
(d) Water which is suitable for ___ is called ___ water. (washing, bathing, drinking, potable, soft).
(e) Water which looks clean still has disease carrying ___and ___ impurities. (insects, microorganism, particles, dissolved, harmful).

Q. Fill in the blanks with the help of words given in bracket after each sentence.

(a) When air is contaminated by ________ substances which have a ________ effect on both the ________ and ________, it is referred to as ________.

(air pollution, harmful, living, unwanted, non-living, pollutants).

(b) Many ________ are responsible for causing ________ pollution. Petroleum ________ are a major source of ________ pollutants like ________ and ________.

(sulphur dioxide, refineries, industries, nitrogen dioxide, gaseous, liquid, people, air)

(tap, liters, brushing, washing, drops)

(d) Water which is suitable for _________ is called ________ water.

(washing, bathing, drinking, potable, soft)

(e) Water which looks clean still has disease-carrying ________ and ________ impurities.

(insects, microorganisms, particles, dissolved, harmful).

Q. Which of the following is a measurement of water pollution?

Q. Water pollution of a river is measured by __________.

Q. The water pollution in river is measured by the dissolved amount of

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One of the measures of water pollution is the quantity of dissolved ________.

The correct option is C OxygenDissolved oxygen is the amount of free oxygen present in water which is not bound to any other element.If there is an increase in pollution rates dissolved oxygen rate drops drastically affecting aquatic life.

The correct option is C Oxygen
Dissolved oxygen is the amount of free oxygen present in water which is not bound to any other element.
If there is an increase in pollution rates dissolved oxygen rate drops drastically affecting aquatic life.