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Chemistry in Everyday Life VVI Questions |Chemistry VVI Questions Class 12th | Chemistry Important Question Bihar Board | Bihar Board Chemistry Class 12th

Chemistry in Everyday Life VVI Questions

 

Chemistry in Everyday Life Subjective Questions

Q.1. Write two medicines name of the following;

(a) Analgesics

(b) Antiseptic

Ans – (a) Analgesics – These are the medicines used to control the pain. Medicine – Ibrufen, Diclo fenac sodium.

 

(b) Antiseptic These are antimicrobial substances that are applied to living tissue / skin to reduce the possibility of infection, sepsis or putrefaction. Medicine – Bithional, Dettol.

 

 Q.2. What are Antipyretics ?

Ans – The most common  Antipyretics in the united states are ibuprofen and aspirin, which are non steroidal anti-inflammoatory drugs (NSA IDS) used primarily as analgesics (pain relievers), but which also have antipyretic properties. Antipyretic is medicines which are used to lower body temperature when a fever is present.

Example – Aspirin, Accetaminophen and others.

 

Q.3. What is Night blindness ?

Ans – It is due to a disorders of the rods in the retina and can result from dietary deficiency of vitamin A. Its mainfestations may progress to include xerophtaimia and keratomalacia. Night blindness may be caused by other retinal diseases, e.g. retinitis pignestosa. Medical name – Nyctalopia compare day blindness.

 

 Q.4. What are the starting materials used for preparing Bakelite and PVC ?

Ans – Common dice are sometimes made of bakelite for weight and sound, but the majority are made of a thermoplastic polymer such as acrylonitride butadience styrene (ABS). Bakelite continues to be used for wire insulation, broke pads and related automotive components. 

 

 Q.5. Define Antibiotics.

Ans – A drug used to treat bacterial infections. Antibiotics have no effect on viral infections.  Originally an antibiotic was a substance produced by one micro organism that selectively inhibits the growth of another. 

Example – Tetracycline, doxycycline.

 

Q.6. Mention one use of the following:

(a) Paracetamol

(b) Tincture of iodine

Ans – (a) Paracetamol – It is an antipyretic and is used for bringing down the body temperature.

 

(b) Ticture of iodine – 2-3% solution of iodine in alcohol and water is called tincture of iodine. It is a powerful antiseptic. It is applied on wounds.

 

Chemistry in Everyday Life Objective Questions

Q.1. Over production of acid in stomach can be controlled by – 

(a) Antacid

(b) Analgesic

(c) Antipyretic

(d) Antibiotic

Ans – (a) Antacid

 

Q.2. Dettol is used as – 

(a) Disinfectant

(b) Antiseptic

(c) Antimalarial

(d) All

Ans – (b) Antiseptic

 

Q.3. Drug used to reduce fever is called – 

(a) Antipyretic

(b) Analgesic

(c) Antacid

(d) None

Ans – (a) Antipyretic

 

Q.4. Antibiotic used for tratment of typhoid is – 

(a) Penicilin

(b) Chloramphenicol

(c) Terramycin

(d) Sulphadiazine

Ans – (b) Chloramphenicol

 

Q.5. The antiseptic action of CHI3 is –

(a) Due to iodioform

(b) Due to liberation of free iodine

(c) Partially due to iodine and partially due to CHI3

(d) Tetanus

Ans – (b) Due to liberation of free iodine

 

Q.6. Which one of the following types of drugs reduces fever ?

(a) Analgesic

(b) Antibiotics

(c) Antipyretics

(d) Tranquillizen

Ans – (c) Antipyretics

 

Q.7. Chloramphenicol is – 

(a) Antibiotic

(b) Analgesic

(c) Antipyretic

(d) None of these

Ans – (a) Antibiotic

 

 

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