The functional groups present in salol are: A. −NH2 and −OR B. OH and −COR C. −NH2 and −COOH D. −OH and −COOR Solution: (D) The... View Article
Bithional is an example of: A. Disinfectant B. Antiseptic C. Antibiotic D. Analgesic Solution: (B) Bithional is an example of an antiseptic. It is widely used in... View Article
Paracetamol is a/an: A. Antimalarial B. Antipyretic C. Analgesic D. Both 2 and 3 Solution: (D) Paracetamol is both an analgesic and antipyretic. Generally,... View Article
Which of the following is used as a ‘morning after pill’? A. Norethindrone B. Ethynylestradiol C. Mifepristone D. Bithional Solution: (C) Mifepristone is used as a "morning after pill".... View Article
Which among the following is not an antibiotic? A. Penicillin B. Oxytocin C. Erythromycin D. Tetracycline E. Ofloxacin Solution: (B) Oxytocin is a peptide hormone that is secreted... View Article
Tranquillizers are also known as: A. Psychosomatic drugs B. Psychotherapeutic drugs C. Psychosystolic drugs D. None of the above Solution: (B) Tranquillizers are drugs... View Article
Chloramine-T is a A. Disinfectant B. Antiseptic C. Analgesic D. Antipyretic Solution: (A) Chloramine –T can be classified as a disinfectant. This... View Article
Paracetamol is A. Methyl salicylate B. Phenyl salicylate C. N-acetyl-p-aminophenol D. Acetyl salicylic acid Solution: (C) N-acetyl-para-aminophenol,... View Article
Which of the following is used as antipyretic and analgesic? A. Paracetamol B. Sulphaguanide C. Phenol D. Penicillin Solution: (A) Paracetamol is used as an antipyretic as well as an analgesic.... View Article
Use of chemicals for therapeutic effect is called: A. Medicines B. Chemotherapy C. Drug-target interaction D. Phototherapy Solution: (B) Chemotherapy is a form of drug treatment wherein... View Article
What are the substances which mimic the natural chemical messengers? A. Antibiotics B. Antagonist C. Agonist D. Receptors Solution: (C) Agonists are the chemicals that usually bind themselves to a receptor and... View Article
MnO4– ions are reduced in acidic condition to Mn2+ ions whereas they are reduced in neutral condition to MnO2 . The oxidation of 25mL of a solution X containing Fe2+ ions required in acidic condition 20 mL of a solution Y containing MnO4 ions. What volume of solution Y would be required to oxidise 25mL of a solution X containing Fe2+ ions in neutral condition? A. 11.4mL B. 12.0mL C. 33.3mL D. 35.0mL E. 25.0mL Solution: (C) In acidic medium, MnO4- is reduced to Mn2+ +7 MnO4- → Mn2+... View Article
For the reaction; Fe2O3 + 3CO → 2Fe + 3CO2 The volume of carbon monoxide required to reduce one mole of ferric oxide is: A. 22.4 dm3 B. 44.8 dm3 C.... View Article
For the reaction represented by the equation; CX4 + 2O2 → CO2 + 2X2O 9.0 g of CX4 completely reacts with 1.74 g of oxygen. The approximate molar mass of X will be: A. 20 B. 40 C.... View Article
An aromatic hydrocarbon with empirical formula C5H4 on treatment with concentrated H2SO4 gave a monosulphonic acid. 0.104 g of the acid required 10 ml of N/20 NaOH for complete neutralisation. The molecular formula of hydrocarbon is: A. C5H4 B. C10H8 C. C15H12 D. C20H16 E. C15H20 Solution: (B) Equivalent of acid = Equivalent of base So, basicity of acid ×... View Article
In the equation: H2S + 2HNO3 → 2H2O + 2NO2 + S; The equivalent weight of H2S is A. 68 B. 34 C. 17 D. 16 Solution: (C) −2 0 H2S →... View Article
KMnO4 (m.w. = 158) oxidises oxalic acid in acid medium to CO2 and water as follows: 5C2O42− + 2MnO4− + 16H+ → 10CO2 + 2Mn2+ + 8H2O What is the equivalent weight of KMnO4? A. 158 B. 31.6 C. 39.5 D. 79... View Article
For the reaction, Na2CO3 + 2HCl → 2NaCl + H2O + CO2, The equivalent weight of Na2CO3 is: A. M/2 B. M C. 2 M D. M/4 Solution: (C) The reaction... View Article
In the disproportionation reaction: 3HClO3 ⟶ HClO4 + Cl2 + 2O2 + H2O The equivalent mass of the oxidising agent is (molar mass of HClO3 = 84⋅45) A. 16.89 B. 32.22 C.... View Article
Mixture X = 0.02 mole of [Co(NH3)5 SO4] Br and 0.02 mole of [Co(NH3)rBr]SO4 was prepared in 2 L of solution. 1 L of the mixture if X + excess AgNO3 → Y 1 L of mixture X + excess BaCl2 → Z Number of moles of Y and Z are: A. 0.01, 0.01 B.... View Article