Class 12 Chemistry
Chemistry In Everyday Life
Question1.
Substrates bind to the active site of the enzyme through a variety of interactions except
(a) ionic bonding
(b) van der waal’s force
(c) hydrogen bonding
(d) covalent bonding
Question2.
What are competitive inhibitors?
Question3.
Detergent formed when stearic acid reacts with polyethyleneglycol is
(a) non-ionic detergent
(b) anionic detergent
(c) cationic detergent
(d) hydrolytic
Question4.
Write full form of BHA. What its use in food?
Question5.
Saccharin is _____ times sweeter than cane sugar.
(a) 600
(b) 2000
(c) 550
(d) 100
Question6.
What do you understand by tincture of iodine?
Question7.
Which of the following is an analgesic?
(a) Penicillin
(b) Dettol
(c) Chloromycetin
(d) Novalgin
Question8.
Give one difference and one example of disinfectants and antiseptics.
Question9.
Which of the following is employed as antihistamine?
(a) Diphenyl hydramine
(b) Norethindrone
(c) Omeprazole
(d) Chloramphenicol
Question10.
Which of the following is not true about chloramphenicol?
(a) It inhibit the growth of only gram positive bacteria.
(c) It is a broad spectrum antibiotic.
(c) It is not a bactericidal.
(d) It is bacteriostatic.
Question11.
What you do you understand by Turkey red?
Question12.
Following compound is used as
(a) An anti-inflammatory
(b) Analgesic
(c) Hypnotic
(d) Antiseptic
Question13.
Dettol is a mixture of ______ and ______.
Question14.
What is antioxidant? Give one use of ascorbic acid.
Question15.
2,4,6-Triphenyl is a/an
(a) acid dye
(b) basic dye
(c) vat dye
(d) azo dye
Question16.
What are propellants? What kind of mixture is used in solid propellants?
Question17.
What are Releser pheromones and Primer pheromones?
Question18.
Which of the following can possibly used as analgesic without causing addiction and modification?
(a) Morphine
(c) Diazepam
(d) Tetrahydrocatenol
Question19.
What are antacids? List some compound which are used as antacids.
Question20.
What is Malachite Green?
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