NEET Previous Year Questions (2014-2024): Chemistry in Everyday Life (Old NCERT) | Chemistry Class 12 PDF Download

Q.1. Some tranquilizers are listed below. Which one from the following belongs to barbiturates?        (2023)
A: Chlordiazepoxide
B: Meprobamate
C: Valium
D: Veronal
Ans: D
Solution:

• Veronal is the derivative of Barbituric acid and considered as barbiturate.
• Meprobamate, valium and chlordiazepoxide are other tranquilizers.

Q.2. Match List - I with List - II.
Choose the correct answer from the options given below:    (2022)
A: (a) - (i), (b) - (iv), (c) - (ii), (d) - (iii)
B: (a) - (iv), (b) - (iii), (c) - (i), (d) - (ii)
C: (a) - (iii), (b) - (ii), (c) - (iv), (d) - (i)
D: (a) - (iii), (b) - (iv), (c) - (ii), (d) - (i)
Ans: D
Solution:
Antacids → Cimetidine  
Antihistamines → Seldane
Analgesics → Morphine
Antimicrobials → Salvarsan

Q.3. Given below are two statements :      (2021)
Statement I :
Aspirin and Paracetamol belong to the class of narcotic analgesics.
Statement II :
Morphine and Heroin are non-narcotic analgesics.
In the light of the above statements, choose the correct answer from the options given below.
A: Statement I is correct but Statement II is false.
B: Statement I is incorrect but Statement II is true.
C: Both Statement I and Statement II are true.
D: Both Statement I and Statement II are false.
Ans: D
Solution:
Aspirin and paracetamol belongs to the class of non-narcotic analgesic. Morphine and heroin are narcotic analgesics.

Q.4. Which of the following is a cationic detergent?      (2020)
A: Cetyltrimethyl ammonium bromide 
B: Sodium dodecylbenzene sulphonate 
C: Sodium lauryl sulphate 
D: Sodium stearate 
Ans: A
Solution: Cetyltrimethyl ammonium bromide is a cationic detergent as it’s hydrophillic part is a quaternary ammonium ion.

Q.5. Among the following, the narrow spectrum antibiotic is:    (2019)
A: Penicillin G
B: Ampicillin
C: Amoxycillin
D: Chloramphenicol
Ans: A

Q.6. Mixture of chloroxylenol and terpineol acts as:    (2017)
A: Antiseptic
B: Antipyretic
C: Antibiotic
D: Analgesic
Ans: A
Solution:
Antiseptic (dettol)

Q.7. Which of the following in an analgesic?    (2016)
A: Chloromycetin
B: Novalgin
C: Penicillin
D: Streptomycin
Ans: B
Solution:
Novalgin is an analgesic. It is a fact.

Q.8. Bithional is generally added to the soaps as an additive to function as a/an:    (2015)
A: Antiseptic
B: Softener
C: Dryer
D: Buffering agent
Ans: A
Solution:
Bithional functions as antiseptic

Q.9. Artificial sweetner which is stable under cold conditions only is:    (2014)
A: Aspartame
B: Alitame
C: Saccharine
D: Sucralose
Ans: A