Water which looks clean still has disease carrying and _ impurities.

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Solution

Water that looks clean still has disease-carrying microorganisms and dissolved impurities.
Final answer:
Water which looks clean still has disease carrying microorganisms and dissolved impurities.

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Question 22

A mixture (x) in water contains suspended solids, organic impurities, inorganic impurities (a), nutrients (b), disease causing bacteria and other microbes. Give names for (x), (a) and (b)?

Q. Identify the possible disease from the given symptoms, and the reason for the disease.

A. A child has bow legs.
B. A man has swollen and bleeding gums.
C. A child looks pale and gets tired quickly.
D. A woman has swelling in the neck.

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).

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).

A mixture (x) in water contains suspended solids, organic impurities, inorganic impurities (a), nutrients (b), disease-causing bacteria, and other microbes. Give names for (x), (a) and (b)?

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Water which looks clean still has disease carrying ______ and _______ impurities.

Water that looks clean still has disease-carrying microorganisms and dissolved impurities.Final answer:Water which looks clean still has disease carrying microorganisms and dissolved impurities.

Water which looks clean still has disease carrying and _ impurities.

Water that looks clean still has disease-carrying microorganisms and dissolved impurities.
Final answer:
Water which looks clean still has disease carrying microorganisms and dissolved impurities.