Chemistry - Chemistry in Everyday Life Question Paper 3
Exam Duration: 45 Mins Total Questions : 30
Antiseptics and disinfectants either kill or prevent growth of microorganisms. Identify which of the following statement is not true :
- (a)
Dilute solutions of boric acid and hydrogen peroxide are strong antiseptics.
- (b)
Disinfectants harm the living tissues.
- (c)
A 0.2% solution of phenol is an antiseptic while 1% solution acts as disinfectant.
- (d)
Chlorine and iodine are used as strong disinfectants.
Which one of the following is employed as antihistamine?
- (a)
Chloramphenicol
- (b)
Diphenlyhdramine
- (c)
Norethindrone
- (d)
Omeprazole
Chloropicrin is obtained by the reaction of :
- (a)
steam on carbon tetrachloride
- (b)
nitric acid on chlorobenzene
- (c)
chlorine on picric acid
- (d)
nitric acid on chloroform.
Gammexane is :
- (a)
bromobenzene
- (b)
benzyl chloride
- (c)
chlorobenzene
- (d)
benzene hexachloride
Bithionol is generally added to the soaps as an additive to function as a/an:
- (a)
buffering agent
- (b)
antiseptic
- (c)
softener
- (d)
dryer.
Artificial sweetener which is stable under cold conditions only is :
- (a)
saccharine
- (b)
sucralose
- (c)
aspartame
- (d)
alitame
Drugs that bind to the receptor site and inhibit its natural function are called
- (a)
- (b)
- (c)
- (d)
Which of the following will not act as antacid?
- (a)
- (b)
- (c)
- (d)
Antihistamines are not helpful
- (a)
- (b)
- (c)
- (d)
The drugs which are given to the patients suffering from anxiety and mental tension are known as
- (a)
- (b)
analgesics
- (c)
- (d)
A drug which acts as antipyretic as well as analgesic is
- (a)
chloroquine
- (b)
penicillin
- (c)
chlordiazepoxide
- (d)
A drug which is effective in curing malaria is
- (a)
aspirin
- (b)
quinine
- (c)
morphine
- (d)
analgin
An ester which is used as a medicine
- (a)
- (b)
- (c)
- (d)
The term 'broad spectrum antibiotics' means
- (a)
- (b)
- (c)
- (d)
Which of the following statements is incorrect?
- (a)
- (b)
- (c)
- (d)
What is tincture of iodine?
- (a)
- (b)
- (c)
- (d)
The sweeteners value of aspartame in comparison to cane sugar is
- (a)
550
- (b)
100
- (c)
600
- (d)
2000
The main difference between bathing and washing soap is
- (a)
- (b)
- (c)
- (d)
Which of the following statements is not correct?
- (a)
- (b)
- (c)
- (d)
The compound that causes general antidepressant action on the central nervous system belongs to the class of
- (a)
analgesics
- (b)
tranquilizers
- (c)
- (d)
antihistamines
Which of the following enhances lathering property of soap?
- (a)
- (b)
- (c)
- (d)
Polyethylene glycols are used in the preparation of which type of detergents?
- (a)
- (b)
- (c)
- (d)
Soaps
Which of the following statements is not true about enzyme inhibitors?
- (a)
- (b)
- (c)
- (d)
In the following question, a statement of assertion is followed by a statement of reason. Mark the correct choice as:
Assertion: Competitive inhibitors compete with the natural substrate for their attachment on the active sites of enzymes.
Reason : In competitive inhibition, inhibitor binds to allosteric site of the enzyme
- (a)
- (b)
- (c)
- (d)
In the following question, a statement of assertion is followed by a statement of reason. Mark the correct choice as :
Assertion : 0.2 percent solution of phenol is an antiseptic while its one percent solution is disinfectant.
Reason: Antiseptics are also called disinfectant.
- (a)
- (b)
- (c)
- (d)
In the following question, a statement of assertion is followed by a statement of reason. Mark the correct choice as :
Assertion: Use of aspartame is limited to cold foods and soft drinks.
Reason : Aspartame is roughly 100 times as sweet as cane sugar.
- (a)
- (b)
- (c)
- (d)
In the following questions, a statement of assertion is followed by a statement of reason. Mark the correct choice as:
Assertion: Chemicals added to foods for increasing their shelf life are called preservatives.
Reason : Natural sweeteners like sucrose and artificial sweeteners like saccharin are commonly used as food preservatives.
- (a)
- (b)
- (c)
- (d)
In the following question, a statement of assertion is followed by a statement of reason. Mark the correct choice as :
Assertion: Detergents with straight chain of hydrocarbons are preferred over branched chain.
Reason: Detergents with branched chain hydrocarbon part are expensive.
- (a)
- (b)
- (c)
- (d)
Match the column I with column II and mark the appropriate choice
Column I | Column II | ||
(A) | Alitame | (i) | Antihistamine |
(B) | Iodoform | (ii) | Artificial sweetener |
(C) | Prontosil | (iii) | Antibacterial agent |
(D) | Terfenadine | (iv) | Antiseptic |
- (a)
(A) \(\rightarrow \)(i), (B) \(\rightarrow \) (ii), (C) \(\rightarrow \) (iv), (D)\(\rightarrow \)(iii)
- (b)
(A) \(\rightarrow \) (ii), (B) \(\rightarrow \) (iv), (C) \(\rightarrow \) (iii), (D) \(\rightarrow \) (i)
- (c)
(A)\(\rightarrow \) (iii), (B) \(\rightarrow \) (i), (C) \(\rightarrow \) (ii), (D)\(\rightarrow \) (iv)
- (d)
(A) \(\rightarrow \) (iv), (B)\(\rightarrow \) (iii), (C)\(\rightarrow \) (i), (D) \(\rightarrow \)(ii)
Soaps do not work in hard water containing calcium and magnesium ions because
- (a)
Ca2+and Mg2+ions form insoluble calcium and magnesium salts in the form of scum
- (b)
Na+ and K+ present in soap react with Ca2+ and Mg2+and hinder cleansing process
- (c)
a large amount of soap is to be used in presence of Ca2+and Mg2+
- (d)
scum formed by combination of Na+, Ca2+ and Mg2+stick to the cloth and are not removed on agitation.