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NEET • CHEMISTRY • CHEMISTRY IN EVERYDAY LIFE
Chemistry in everyday life practice · Mixed difficulty
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1
Easy
1 of 74
Remembering
+4 | -1
Ordinary soaps are defined as:
View answer and explanation
Correct option: C
Na salts of higher fatty acids
Option C (Na salts of higher fatty acids) is correct because ordinary soaps are sodium salts of long-chain carboxylic acids (fatty acids).
2
Hard
2 of 74
Remembering
+4 | -1
Hexamethylene tetramine is used as an:
View answer and explanation
Correct option: C
Urinary antiseptic
Option C (Urinary antiseptic) is correct because Hexamethylene tetramine (methenamine) is used as a urinary antiseptic.
3
Easy
3 of 74
Remembering
+4 | -1
Which of the following is not antibiotic?
View answer and explanation
Correct option: D
Cyclohexane
Option D (Cyclohexane) is correct because it is a cyclic alkane and not an antibiotic.
4
Hard
4 of 74
Remembering
+4 | -1
Which of the following is used as an oxidizer in rocket propellants?
View answer and explanation
Correct option: D
Ammonium perchlorate
Option D (Ammonium perchlorate) is correct because ammonium perchlorate is a strong oxidizer commonly used in solid rocket propellants to provide oxygen for combustion.
5
Medium
5 of 74
Remembering
+4 | -1
Furacine is used as an
View answer and explanation
Correct option: A
Antiseptic
Option A (Antiseptic) is correct because furacine is a nitrofuran derivative used topically as an antiseptic to prevent infection.
6
Medium
6 of 74
Remembering
+4 | -1
A medicine which promotes the secretion of urine is called:
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Correct option: C
Diuretic
Option C (Diuretic) is correct because diuretics promote increased urine secretion.
7
Hard
7 of 74
Understanding
+4 | -1
Which of the following forms cationic micelles above certain concentration?
View answer and explanation
Correct option: B
Sodium acetate
Option D (Cetyltrimethylammonium bromide) is correct because it is a cationic surfactant that forms cationic micelles above its critical micelle concentration (CMC).
8
Easy
8 of 74
Understanding
+4 | -1
Metallic soaps are:
View answer and explanation
Correct option: D
Possess all these
Option D (Possess all these) is correct because metallic soaps are salts of fatty acids with metals other than Na and K, are not used for cleaning, and are used as lubricants, driers, and adhesives.
9
Medium
9 of 74
Remembering
+4 | -1
The antibiotic streptomycin is specific against:
View answer and explanation
Correct option: A
Tuberculosis
Option A (Tuberculosis) is correct because streptomycin is primarily used to treat tuberculosis infections.
10
Hard
10 of 74
Remembering
+4 | -1
The cationic detergent that is used in hair conditioners is
View answer and explanation
Correct option: D
cetyltrimethyl ammonium bromide
Option D (cetyltrimethyl ammonium bromide) is correct because cetyltrimethyl ammonium bromide (CTAB) is a cationic surfactant commonly used in hair conditioners.
11
Hard
11 of 74
Remembering
+4 | -1
Which of the following is a bactericidal antibiotic ?
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Correct option: A
Ofloxacin
Option A (Ofloxacin) is correct because it is a bactericidal antibiotic, meaning it kills bacteria directly.
12
Hard
12 of 74
Understanding
+4 | -1
Assertion:- Calcium salt of fatty acid can be used as soap
Reason:- They -are water soluble.
Reason:- They -are water soluble.
View answer and explanation
Correct option: D
If both assertion & reason are false
Option D (If both assertion & reason are false) is correct because calcium salts of fatty acids are insoluble and thus not suitable as soap.
13
Medium
13 of 74
Understanding
+4 | -1
Two statements in respect of drug-enzyme interaction are given below
Statement I: Action of an enzyme can be blocked only when an inhibitor blocks the active site of the enzyme.
Statement II: An inhibitor can form a strong covalent bond with the enzyme.
In the light of the above statements, choose the correct answer from the options given below
Statement I: Action of an enzyme can be blocked only when an inhibitor blocks the active site of the enzyme.
Statement II: An inhibitor can form a strong covalent bond with the enzyme.
In the light of the above statements, choose the correct answer from the options given below
View answer and explanation
Correct option: D
Statement I is false but Statement II is true
Option D is correct because Statement I is false (inhibitors can bind at allosteric sites) and Statement II is true (inhibitors can form strong covalent bonds).
14
Hard
14 of 74
Remembering
+4 | -1
Which one of the following is used as Antihistamine?
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Correct option: C
Diphenhydramine
Option C (Diphenhydramine) is correct because Diphenhydramine is a first-generation antihistamine used to relieve symptoms of allergies.
15
Easy
15 of 74
Understanding
+4 | -1
Which of the following statements is not correct?
View answer and explanation
Correct option: D
Antiseptic medicines can be ingested
Option D (Antiseptic medicines can be ingested) is not correct because antiseptics are for external use and are generally toxic if ingested.
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16
Easy
16 of 74
Understanding
+4 | -1
Soap molecule has two parts, a polar part and a non-polar part. When soap is added to water:
View answer and explanation
Correct option: C
Polar part dissolves in water
Option C (Polar part dissolves in water) is correct because the polar (hydrophilic) head of the soap molecule is attracted to and dissolves in water.
17
Medium
17 of 74
Understanding
+4 | -1
If a person is suffering from the deficiency of nor-adrenaline, what kind of drug can be suggested?
View answer and explanation
Correct option: C
Antidepressant
Option C (Antidepressant) is correct because nor-adrenaline is a neurotransmitter involved in mood regulation, and antidepressants often work by increasing its levels.
18
Easy
18 of 74
Understanding
+4 | -1
Detergents are better cleansing agent than soaps because:
View answer and explanation
Correct option: C
They are less affected by hard water
Option C (They are less affected by hard water) is correct because detergents do not form insoluble precipitates with the ions present in hard water, unlike soaps.
19
Hard
19 of 74
Understanding
+4 | -1
S-I: Transparent soaps are made by dissolving soaps in ethonal.
S-II: Ethanol makes things invisible.
S-II: Ethanol makes things invisible.
View answer and explanation
Correct option: C
(I) is true but (II) is false
Option C is correct because Statement I is true (transparent soaps are made by dissolving soaps in ethanol), but Statement II is false (ethanol does not make things invisible).
20
Medium
20 of 74
Understanding
+4 | -1
Which of the following is not a surfactant?
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Correct option: B
Option B () is correct because it lacks a distinct polar head group necessary for surfactant activity.
21
Easy
21 of 74
Understanding
+4 | -1
Soaps do not form froths easily from hard water because:
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Correct option: A
Of formation of insoluble salts
Option A (Of formation of insoluble salts) is correct because the calcium and magnesium ions in hard water react with soap to form insoluble salts, preventing lather formation.
22
Medium
22 of 74
Analyzing
+4 | -1
Assertion:- Tryptophan is less basic than histidine
Reason:- Tryptophan has hybridised nitrogen but histidine has hybridisation.
Reason:- Tryptophan has hybridised nitrogen but histidine has hybridisation.
View answer and explanation
Correct option: C
If assertion true but the reason is false
Option C is correct because the assertion is true (Tryptophan is less basic than Histidine), but the reason is false (both have sp2 hybridized nitrogens involved in resonance).
23
Easy
23 of 74
Remembering
+4 | -1
Artificial sweetner used in soft drinks is:
View answer and explanation
Correct option: D
Asparatame
Option D is correct because Aspartame is a commonly used artificial sweetener in soft drinks.
24
Medium
24 of 74
Understanding
+4 | -1
Surfactants and detergents have the same common property of……in them.
View answer and explanation
Correct option: B
Surface activity
Option B (Surface activity) is correct because both surfactants and detergents reduce surface tension and interfacial tension, exhibiting surface activity.
25
Hard
25 of 74
Remembering
+4 | -1
Which of the following compounds is not an antacid?
View answer and explanation
Correct option: D
Serotonin
Option D (Serotonin) is correct because serotonin is a neurotransmitter that affects mood and other functions, but it is not used as an antacid.
26
Easy
26 of 74
Understanding
+4 | -1
Which statement about aspirin is not true?
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Correct option: A
Aspirin belongs to narcotic analgesics
Option A (Aspirin belongs to narcotic analgesics) is correct because aspirin is a non-narcotic analgesic, not a narcotic analgesic.
27
Medium
27 of 74
Remembering
+4 | -1
Which of the following is an analgesic?
View answer and explanation
Correct option: A
Novalgin
Option A (Novalgin) is correct because it is a pain reliever, classified as an analgesic.
28
Medium
28 of 74
Understanding
+4 | -1
Statements about Enzyme Inhibitor Drugs are given below :
(A) There are Competitive and Non-competitive inhibitor drugs.
(B) These can bind at the active sites and allosteric sites.
(C) Competitive Drugs are allosteric site blocking drugs.
(D) Non-competitive Drugs are active site blocking drugs.
Choose the correct answer from the options given below:
(A) There are Competitive and Non-competitive inhibitor drugs.
(B) These can bind at the active sites and allosteric sites.
(C) Competitive Drugs are allosteric site blocking drugs.
(D) Non-competitive Drugs are active site blocking drugs.
Choose the correct answer from the options given below:
View answer and explanation
Correct option: C
(A), (B) only
Option C is correct because statements A and B accurately describe enzyme inhibitor drugs: they can be competitive or non-competitive and bind at active or allosteric sites.
29
Easy
29 of 74
Understanding
+4 | -1
Which of the following is molecular disease?
View answer and explanation
Correct option: B
Cancer
Option D (Sickel-cell anaemia) is correct because Sickle-cell anemia is a molecular disease caused by a mutation in the gene that codes for hemoglobin.
30
Easy
30 of 74
Remembering
+4 | -1
Saccharin is :
View answer and explanation
Correct option: D
None of these
Option D (None of these) is correct because Saccharin is an artificial sweetener, not a hexose, reducing sugar, or glucoside.
Revision notes and key takeaways
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Key Takeaways
- ✓ This set contains 74 single-correct-answer MCQs on CHEMISTRY IN EVERYDAY LIFE.
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Showing 1-30 of 74 questions