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Science (English Medium) Class 12 - CBSE Important Questions for Chemistry

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Define the following : Narrow spectrum antibiotics

Appears in 1 question paper
Chapter: [16] Chemistry in Everyday Life
Concept: Classification of Drugs

Seeing the growing cases of diabetes and depression among children, Mr. Chopra, the principal of one reputed school organized a seminar in which he invited parents and principals. They all resolved this issue by strictly banning the junk food in schools and by introducing healthy snacks and drinks like soup, lassi, milk etc. in school canteens. They also decided to make compulsory half an hour physical activities for the students in the morning assembly daily. After six months, Mr. Chopra conducted the health survey in most of the schools and discovered a tremendous improvement in the health of students.

After reading the above passage, answer the following questions :

(i) What are the values (at least two) displayed by Mr. Chopra ?

(ii) As a student, how can you spread awareness about this issue ?

(iii) Why should antidepressant drugs not be taken without consulting a doctor ?

(iv) Give two examples of artificial sweeteners.

Appears in 1 question paper
Chapter: [16] Chemistry in Everyday Life
Concept: Chemicals in Food - Artificial Sweetening Agents and Food Preservatives

Which one of the following is a disinfectant?
0.2% solution of phenol or 1% solution of phenol 

Appears in 1 question paper
Chapter: [16] Chemistry in Everyday Life
Concept: Therapeutic Action of Different Classes of Drugs - Antacids

 What is the difference between agonists and antagonists? 

Appears in 1 question paper
Chapter: [16] Chemistry in Everyday Life
Concept: Drug-target Interaction - Receptors as Drug Targets

Write one example each of Artificial sweetener.

Appears in 1 question paper
Chapter: [16] Chemistry in Everyday Life
Concept: Chemicals in Food - Artificial Sweetening Agents and Food Preservatives

Write one example each of Antacids.

Appears in 1 question paper
Chapter: [16] Chemistry in Everyday Life
Concept: Chemicals in Food - Artificial Sweetening Agents and Food Preservatives

Define the following terms with a suitable example of each: 
 Antiseptics 

Appears in 1 question paper
Chapter: [16] Chemistry in Everyday Life
Concept: Therapeutic Action of Different Classes of Drugs - Antacids

Define the following terms with a suitable example of each: 
 Bactericidal antibiotics 

Appears in 1 question paper
Chapter: [16] Chemistry in Everyday Life
Concept: Compounds with Medicinal Properties >> Antimicrobials

Why the use of alitame as an artificial sweetener is not recommended? 

Appears in 1 question paper
Chapter: [16] Chemistry in Everyday Life
Concept: Chemicals in Food - Artificial Sweetening Agents and Food Preservatives

Why type of drug is used in sleeping pills?

Appears in 1 question paper
Chapter: [16] Chemistry in Everyday Life
Concept: Therapeutic Action of Different Classes of Drugs - Neurologically Active Drugs

Why the use of alitame as an artificial sweetener is not recommended?

Appears in 1 question paper
Chapter: [16] Chemistry in Everyday Life
Concept: Chemicals in Food - Artificial Sweetening Agents and Food Preservatives

Define the following term with a suitable example in each:
Broad-spectrum antibiotics

Appears in 1 question paper
Chapter: [16] Chemistry in Everyday Life
Concept: Compounds with Medicinal Properties >> Antimicrobials

Define the following term with a suitable example in each:
Disinfectants

Appears in 1 question paper
Chapter: [16] Chemistry in Everyday Life
Concept: Compounds with Medicinal Properties >> Antimicrobials
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