Updated 12th Standard CBSE Chemistry Study Materials 2022-2023 Exams

12th CBSE Chemistry in Everyday Life Important Questions Nov-30 , 2018

Chemistry has revolutionized the world and changed lives for the better. From medical applications to gene studies, having a foundation knowledge of Chemistry better equips students to theorize concepts and bring applications to life. The CBSE Class 12 Chemistry NCERT Solutions have been written by some of the best educational experts in the country, thus making concepts easy to understand and grasp quickly. The Chemistry Class 12 NCERT solutions covers chapters and topics which appear in various entrance exams, like the JEE. Different types of questions that are asked in the textbooks can be repetitive or confusing, but NCERT Chemistry PDF solutions help deal with any problems while answering the questions or solving equations. Useful in individual and group studies, by practicing these solutions, students can thoroughly prepare for academic exams and understand topics from a practical perspective. This acts as a gateway to the mind of the examiner.

In this post Class 12 Chemistry Chapter 16 - Chemistry in Everyday Life solved by Expert Teachers as per NCERT (CBSE) Book guidelines. All Chapter 16 - Chemistry in Everyday life Exercise Questions with Solutions to help you to revise complete Syllabus and Score More marks.

Get 100 percent accurate NCERT Solutions for Class 12 Chemistry Chapter 16 (Chemistry in Everyday Life) solved by expert Chemistry teachers. We provide solutions for questions given in Class 12 Chemistry text-book as per CBSE Board guidelines from the latest NCERT book for Class 12 Chemistry.

After studying this chapter, students will be able to visualize the importance of Chemistry in daily life; explain the term ‘chemotherapy’; describe the basis of classification of drugs; explain drug-target interaction of enzymes and receptors; explain how various types of drugs function in the body; know about artificial sweetening agents and food preservatives and discuss the chemistry of cleansing agents.

NCERT Grade 12 Chemistry Chapter 16, Chemistry in Everyday Life holds a total weightage of 3 marks in the final examination.

Chemistry in Everyday Life Important Questions

12th Standard CBSE

Chemistry

All questions are compuslory.

Time : 01:00:00 Hrs

Total Marks : 50

Section A

Which of the following antacids is an antihistamine ?

(a)

Ranitidine

(b)

Lansoprazole

(c)

Terfenadine

(d)

Luminal

Which of the following is not a surfactant ?

(a)

\(CH_3-(CH_2)_{15}-\overset{+}{N}(CH_3)_3\ Br^-\)

(b)

\(CH_3-(CH_2)_{14}-CH_2NH_2\)

(c)

\(CH_3-(CH_2)_{16}CH_2OSO\overset{-}{3}Na^+\)

(d)

\(OHC-(CH_2)_{14}-CH_2-COO^-Na^+\)

Which statement about aspirin is not true ?

(a)

Aspirin belongs to narcotic analgesics

(b)

It is effective in relieving pain

(c)

It has antiblood clotting action

(d)

It is a neurologically active drug

Equanil is ............ .

(a)

artificial sweetener

(b)

tranquillizer

(c)

antihistamine

(d)

antifertility drug

Compounds with antiseptic properties are ....... .

(a)

CHCI₃

(b)

CHI₃

(c)

Boric acid

(d)

0.3 ppm aqueous solution of CI₂

Which of the following is not an antacid ?

(a)

Phenelzine

(b)

Ranitidine

(c)

Aluminium hydroxide

(d)

Cimetidine

Chloramphenicol is

(a)

antiseptic and disinfactant

(b)

antibiotic broad spectrum

(c)

antifertility drug

(d)

antihistamine

Bithional is generally added to the soaps as an additive to function as a/an

(a)

buffering agent

(b)

antiseptic

(c)

softner

(d)

dryer

Which one of the following is a cationic detergent ?

(a)

Sodium lauryl sulphate

(b)

Cetyltrimethylammonium bromide

(c)

Sodium dodecylbenzenesulphonate

(d)

Glyceryl palmitate

(e)

Glyceryl oleate

Which of the following can be used as artificial sweeteners ?

(a)

Aspartame

(b)

Alitame

(c)

Sucrolose

(d)

Saccharin

Section B

Name two narcotics which are used as analogesics.

Which site of an enzyme is called allosteric site?

What is the difference between bathing soap and washing soaps?

________ is the branch of chemistry which deals with the treatment of diseases using chemicals.

________ is widely used to prevent heart attacks.

Morphine or Heroin is a ________ analgesic.

The antiseptic dettol is a mixture of ________ and ________ in a suitable solvent.

Tripolyphosphate is added to detergents as ________ .

Section C

Explain the following terms giving an example of each:
(i) Antacids
(ii) Sweetening agents

What is the side product of soap industry? Give reactions showing soap formation.

Define the term chemotherapy.

Section D

What are biodegradable and non-biodegradable detergents? Give one example of each.

How do antiseptics differ from disinfectants? Give one example of each.

Name the action of the following on the human body:
(a) Pencillium
(b) Morphine
(c) Analgin

What are the following substances? Give one example of each one of them:
(i) Tranquilizers,
(ii) Food preservatives,
(iii) Synthetic detergents.

(i) Pick out the odd one from among the following on the basis of their medicinal properties mentioning the reason: Luminal, Seconal, Phenacetin, Equanil.
(ii) Give an example of a substance that can act as a disinfectant as well as antiseptic depending upon its concentration. (Specify concentration)
(iii) Name any two macromolecules chosen as drug targets.

Section E

Ramesh went to a department store to purchase groceries, On one of shelves he noticed sugar-free tablets, He decided to buy them for his grandfather who was a diabetic. There was three types of sugar-free tablets, Ramesh decided to buy sucralose which was good for his grandfather's health.
(i) Name another sugar-free tablet which Ramesh did not buy,
(ii) Was it right to purchase such medicines without doctor's prescription?
(iii)Wha is quality of Ramesh is reflected above?
5

(a)
Ankit's grandfather is not only obese but he is also a diabetic patient. Seeing his fondness for sweets, Ankit suggested him to replace sugar with artificial sweeteners. After few days, Ankit observed a controlled level to sugar in his grandfather. Answer the following:
(i) What are the values displayed by Ankit?
(ii) What are artificial sweeteners?
(iii)Give two examples of artificial sweeteners.
(iv) Name an artificial sweetener which is unstable at cooking temperature.
5

(a)

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