Assertion and Reason Questions on Class 12 Chemistry Chapter 16 CHEMISTRY IN EVERYDAY LIFE

Directions: These questions consist of two statements, each printed as Assertion and Reason. While answering these questions, you are required to choose any one of the following four responses.
(a) If both Assertion and Reason are correct and the Reason is a correct explanation of the Assertion.
(b) If both Assertion and Reason are correct but Reason is not a correct explanation of the Assertion.
(c) If the Assertion is correct but Reason is incorrect.
(d) If both the Assertion and Reason are incorrect.

Q.1. Assertion : The drugs which act on the central nervous system and help in reducing anxiety are called antibiotics.
Reason : Pencillin is an antibiotic.

Answer a

Q.2. Assertion : Equanil is a tranquilizer.
Reason : Equanil is used to cure depression and hypertension.

Answer a

Q.3. Assertion : Tetracycline is a broad spectrum antibiotic.
Reason : Tetracyclin is effective against a number of types of bacteria, large viruses and typhus fever.

Answer a

Q.4. Assertion : Antiseptics are applied to living tissues.
Reason : Iodine is a powerful antiseptic.

Answer a

Q.5. Assertion : Sedatives are given to patients who are mentally agitated and violent.
Reason : Sedatives are used to suppress the activities of central nervous system.

Answer a

Q.6. Assertion : Non-competitive inhibitor inhibits the catalytic activity of enzyme by binding with its active site.
Reason : Non-competitive inhibitor changes the shape of the active site in such a way that substrate can’t recognize it.

Answer a

Q.7. Assertion : Sodium chloride is added to precipitate soap after saponification.
Reason : Hydrolysis of esters of long chain fatty acids by alkali produces soap in colloidal form.

Answer a

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