
a.
Interpretation: One disadvantage of nitrous oxide other than flammability should be explained.
Concept Introduction: Drugs that causes a lack of feeling and awareness are given to patients before operations, stitching,tooth filling etc. They make the person oblivious by making the nerve cells insensitive in the area where such a drug is injected.They are called anesthetics. Various anesthetics have undesirable side-effects like causing nausea, brain damage etc.
b.
Interpretation: One disadvantage of halothaneother than flammability should be explained.
Concept Introduction: Drugs that causes a lack of feeling and awareness are given to patients before operations, stitching,tooth filling etc. They make the person oblivious by making the nerve cells insensitive in the area where such a drug is injected .They are called anesthetics. Various anesthetics have undesirable side-effects like causing nausea, brain damage etc.
c.
Interpretation: One disadvantage of diethyl ether other than flammability should be explained.
Concept Introduction: Drugs that causes a lack of feeling and awareness are given to patients before operations, stitching, tooth filling etc. They make the person oblivious by making the nerve cells insensitive in the area where such a drug is injected .They are called anesthetics. Various anesthetics have undesirable side-effects like causing nausea, brain damage etc.

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Chapter 18 Solutions
Chemistry for Changing Times
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