NIOS Class 12 Chemistry Chapter 30 Drugs and Medicines

NIOS Class 12 Chemistry Chapter 30 Drugs and Medicines Solutions English Medium As Per New Syllabus to each chapter is provided in the list so that you can easily browse throughout different chapters NIOS Class 12 Chemistry Chapter 30 Drugs and Medicines Notes in English and select need one. NIOS Class 12 Chemistry Solutions English Medium Download PDF. NIOS Study Material of Class 12 Chemistry Notes Paper Code: 313.

NIOS Class 12 Chemistry Chapter 30 Drugs and Medicines

Also, you can read the NIOS book online in these sections Solutions by Expert Teachers as per National Institute of Open Schooling (NIOS) Book guidelines. These solutions are part of NIOS All Subject Solutions. Here we have given NIOS Class 12 Chemistry Notes, NIOS Senior Secondary Course Chemistry Solutions in English for All Chapter, You can practice these here.

Drugs and Medicines

Chapter: 30

Module VIII: Chemistry in Everyday Life

INTEXT QUESTIONS 30.1

1. Write a definition of medicines.

Ans: Medicines are all those substances or formulations which are used for cure, treatment, prevention of diseases or disorders and recovery of a patient.

2. Most of the chemicals used in medicines are poisonous. Is this statement true or false?

Ans: True.

3. What are pharmaceuticals?

Ans: Pharmaceuticals are the chemicals which are used as medicines.

4. Name the compound which is present in the plant sarpagandha and is responsible for reducing blood pressure.

Ans: Reserpine.

INTEXT QUESTIONS 30.2

1. Give two examples of antipyretics.

Ans: Aspirin and Paracetamol.

2. Give one example of a narcotic type analgesic.

Ans: Morphine.

3. What is the difference between an antiseptic and disinfectant?

Ans: Disinfectants kill germs but can damage living tissues Antiseptics are safe for living tissues and yet kill germs.

4. What are antacids? Name two chemicals commonly used as antacids.

Ans: Medicines used to neutralise excess acid in the stomach. Magnesium hydroxides and sodium carbonate.

5. What is the difference between local anaesthetic and general anaesthetic?

Ans: Local anesthetics cause loss of sensation of pain over a small area while general anesthetics cause loss of consciousness.

6. Define antibiotics. Give one example of an antibiotic.

Ans: Metabolic products of certain microorganisms and can kill some other microorganisms. Penicillin is an example of antibiotic.

7. Which type of medicines are used in hey-fever, itching of eyes; nose and throuts.

Ans: Anti histamines are used.

8. What is the use of tranquilizers and hypnotics?

Ans: Tranquilizers and hypnotics are used to reduce anxiety and these also make a person calm.

9. Give one example of a tranquilizer.

Ans: Luminal.

10. What are contraceptives?

Ans: Contraceptives are the medicines used for prevention of pregnancy.

11. What are over the counter medicines?

Ans: Over-the-counter medicines are those which can be purchased without a prescription from a doctor.

INTEXT QUESTIONS 30.3

1. What type of change takes place on storage of the fat & oil?

Ans: On storage of fat and oil get oxidised, the taste and smell are changed and become rancid.

2. Write the name of a preservative used with soft drinks.

Ans: Sodium benzoate (C₆H₅COONa) is used as preservative with soft drinks.

3. What change will take inner body on taking exercise sugar (N).

Ans: The excess intake of natural sugar cause to obesity and tooth decay.