Chapter 30

Which of the following gives colour with phenolic compounds? (d) \(\mathrm{FeCl}_{3}\) (b) Cerric ammonium nitrate (c) \(\mathrm{Hg} \mathrm{Cl}_{2}\) (d) \(\mathrm{Hg}\left(\mathrm{OCOCH}_{3}\right)_{2}\)

Which one is an example of vat dye? (a) Congo red (b) Alizarin (c) Malachite green (d) Indigo

The sulphides of which one of the following groups of elements are soluble in yellow ammonium sulphide? (a) As, Sb and Sn (b) As, \(\mathrm{Cd}\) and \(\mathrm{Sn}\) (c) Cd. \(\mathrm{Cu}\) and \(\mathrm{Bi}\) (d) \(\mathrm{Hg}, \mathrm{Cu}\) and \(\mathrm{Cd}\)

\(A\) substance which can act both as an antiseptic and disinfectant is (a) Aspirin (b) Phenol (c) Analgin (d) Sodium pentothal

All ammonium salts liberate ammonia when (a) heated 10 heated with caustic soda (c) heated with \(\mathrm{H}_{2} \mathrm{SO}_{4}\) (d) heated with \(\mathrm{NaNO}_{2}\)

Morphine is (a) antiseptic (b) analgesic (c) antibiotic (d) anaesthetic

Which of the following is a mordant? (a) Tannic acid (b) Metallic hydroxides (c) Salts of \(\mathrm{Al}, \mathrm{Cr} . \mathrm{Fe}, \mathrm{Sn}\) (d) All of these

Which of the following is a broad spectrum antibiotic? (a) Streptomycin (b) Penicillin (c) Ampicillin (d) Chloramphenicol

The presence of \(\mathrm{NH}_{4}^{+}\)radical in solution can be detected by (a) Fehling's reaction (b) Benedict's solution (c) Schiff's reagent (d) Nessler's reagent

Which of the following antibiotic contains \(\mathrm{NO}_{2}\) group attached to aromatic nucleus in its structure? (a) Penicillin (b) Streptomycin (c) Chloramphenicol (d) All of these

The colour of the residue when zinc salt is heated is (a) ycllow (b) white set yellow when hot and white when cold (d) white when hot and yellow when cold

Oil of winter green and salol are the esters of (a) salicyclic acid (b) lactic acid (c) acetic acid (d) sulphanilic acid

A nitrosamine on being heated with a crystal of phenol and few drops of concentrated sulphuric acid forms a green solution which turns deep blue when the solution is made alkaline. This is an indirect test for the detection of a secondary amine through the formation of a nitrosamine. The reaction is known as (a) Hofmann mustard oil reaction (b) Carbylamine test (e) Licbermann's nitroso reaction (d) Lucas test

Which of the following food additives is an antioxidant? (a) Butaylated hydroxy anisole (b) Cyclamate (c) Sodium metabisulphite (d) Amaranth

Green \(\mathrm{Cr}^{3+}\) changes to yellow \(\mathrm{CrO}_{4}^{2}\) on boiling with (a) alkaline \(\mathrm{H}_{2} \mathrm{O}_{2}\) (b) acidified \(\mathrm{H}_{2} \mathrm{O}_{2}\) (c) both (a) and (b) (d) None of these

Which one is a broad mpectrum antibiotic? (a) Procaine (b) Plasmoquin (c) Aspirin (d) Chloramphenion

Which of the following nitrates on strong heating leaves the metal as the residue ? (a) \(\mathrm{AgNO}_{3}\) (b) \(\mathrm{Pb}\left(\mathrm{NO}_{3}\right)_{2}\) (c) \(\left.\mathrm{Cu} \mathrm{NO}_{3}\right)_{2}\) (d) \(\mathrm{Al}\left(\mathrm{NO}_{3}\right)_{3}\)

Monosodium glutamate, a food additive is a (a) Sweetener (b) Favoring agent (c) Flavor enhances (d) Antioxidant

\(\mathrm{Na}_{2} \mathrm{SO}_{3}\) and \(\mathrm{Na}_{2} \mathrm{~S}\) can be distinguished from each other by using (a) concentrated \(\mathrm{H}_{2} \mathrm{SO}_{4}\) (b) an acidified \(\mathrm{KMnO}_{4}\) solution (c) an acidified \(\mathrm{K}_{2} \mathrm{Cr}_{2} \mathrm{O}_{7}\) solution (d) a sodium nitroprusside solution

Ampicillin is (a) An analgesic (b) An antibiotic (c) An antimalarial (d) An antipyretic

Dimethyl glyoxime is used for the test of in alkaline medium (a) cobalt (b) \(\underline{\text { xinc }}\) (c) manganese (d) nickel

The drug used in the treatment of typhoid fever is: (a) Chloramphenicol (b) Paracetamol (c) Chloroquine (d) Now

A white salt is insoluble in cold water but soluble in boiling water. Its solution when treated with potassium chromate solution gives yellow precipitate. The salt may be (a) \(\mathrm{BaCl}_{2}\) (b) \(\mathrm{SrCl}_{2}\) (?) \(\mathrm{PbCl}_{2}\) (d) \(\mathrm{Hg}\left(\mathrm{NO}_{3}\right)_{2}\)

( The Substance which relieve anxiety, reduce mental tension and induce are called: (a) Analgesics (b) Antipyretics (c) Tranquillizer (d) Ana esthetics

he colour developed when sodium sulphide is added to sodium nitroprusside is (a) violet (b) yellow (c) red (d) black

A drug that is antipyretic as well as analgesic is (a) chloroquin (b) penicillin (c) paracetamol (d) chloropromazine

On heating a mixture of \(\mathrm{NaCl}, \mathrm{K}_{2} \mathrm{Cr}_{2} \mathrm{O}\), and cone. \(\mathrm{H}_{2} \mathrm{SO}_{4}\), which of the following is formed ? (a) \(\mathrm{CrCl}_{3}\) (b) \(\mathrm{CrO}_{2} \mathrm{Cl}_{2}\) (c) \(\mathrm{Cl}_{2}\) (d) \(\mathrm{NilClO}_{2}\)

The compound CC(=O)Oc1ccccc1C(=O)O used as (a) antiseptic (b) antibiotic (c) analgesic (d) pesticide

The compound which reacts fastest with Lucas reagent at roum tempcrature is (a) Butan-l-ol (b) Butan-2-ol (c) 2-Methylpropan-1-ol (d) 2.Methylpropan-2-ol

Which of the following is used for inducing sleep? (a) Paracetamol (b) Chloroquine (c) Bithional (d) Barbituric acid derivatives

Which of the following halides is most irsoluble in concentrated ammonia? (a) \(\mathrm{Ag} \mathrm{I}\) (b) \(\mathrm{AgF}\) (c) \(\mathrm{AgBr}\) (d) \(\mathrm{AgCl}\)

Which of the following gives paracetamol on acetylation? (a) Nc1ccccc1O (b) Nc1cccc(O)c1 (c) Oc1ccccc1 (1) Nc1ccc(O)cc1

Ethyl borate burns with (a) yellow flame (b) green edged flame (c) blue flame (d) crimson flame

Which of the following types of drugs reduces fever? (a) Antipyretic (b) Analgesic (c) Antibiotic (d) Tranquilizer

A gas is evolved which burns with blue flame when the mixture is heated with cone. \(\mathrm{H}_{2} \mathrm{SO}_{4}\). The mixture contains (a) carbonate (b) oxalate (c) nitrate (d) nitrite

Which one of the following is not a broad spectrum antibiotic ? (a) Tetracycline (b) Chloromycetin (c) Penicillin (d) None of these

A salt which gives \(\mathrm{CO}_{2}\) with hot conc, \(\mathrm{H}_{2} \mathrm{SO}_{4}\) and also decolorizes acidified \(\mathrm{KMnO}_{4}\) on warming is (a) \(\mathrm{HCO}_{3}^{-}\) (b) \(\mathrm{CO}_{3}^{2-}\) (o) Oxalate (d) Acetate

Phenol is used as (a) an antiseptic (b) a disinfectant (c) both (a) and (b) (d) a styptic

Which of the following will not give iodoform test? (a) Ethanol (b) Ethanal (c) Isopropyl alcohol (d) Benzyl alcohol

Which among the following is soluble in excess of \(\mathrm{NaOH}\) ? (a) \(\mathrm{Fei} \mathrm{OH})_{3}\) (b) \(\mathrm{Al}(\mathrm{OH})_{3}\) (c) \(\mathrm{Cr}(\mathrm{OH})_{3}\) (d) \(\mathrm{Mn}(\mathrm{OH})_{2}\)

Chloramphenicol is (a) narrow spectrum antibiotic (b) broad spectrum analgesic (c) broad spectrum antibiotic (d) broad spectrum antibacterial

Which one of the following metals will give blue ash when its salt is heated with \(\mathrm{Na}_{2} \mathrm{CO}_{3}\) solid and \(\mathrm{Co}\left(\mathrm{NO}_{3}\right)_{2}\) on a charcoal piece? (a) \(\mathrm{Cu}\) (b) \(\mathrm{Mg}\) (c) \(\mathrm{Al}\) (d) \(\mathrm{Zn}\)

Which of the following could act as a propellant for rockets? (a) Liquid nitrogen \(+\) liquid oxygen (b) Liquid hydrogen \(+\) liquid nitrogen (c) Liquid oxygen \(+\) liquid argon (d) Liquid hydrogen \(+\) liquid oxygen

In borax bead test, which compound is formed? (a) Orthoborate (b) Metaborate (c) Double oxide (d) Tetraborate

Which of the following is not an antacid? (a) Histamine (b) Ranitidine (c) Omeperazole (d) All of these

Which one of the following statements is correct ? (a) Manganese salts give violet borax bead test in the reducing flame (b) From a mixed precipitate of \(\mathrm{AgCl}\) and \(\mathrm{AgI}\), ammonia solution dissolves only \(\overline{\mathrm{A} \mathrm{CCl}}\) (c) Ferric ions give a deep green precipitate on adding potassium ferrocyanide solution (d) On boiling a solution having \(\mathrm{K}^{*}, \mathrm{Ca}^{2+}\) and \(\mathrm{HCO}_{3}^{-}\)ions, we get a precipitate of \(\mathrm{K}_{2}\) \(\mathrm{Ca}\left(\mathrm{CO}_{3}\right)_{2}\)

Barbiturates are used as (a) analgesics (b) food preservatives (c) antipyretics (d) tranquilizers

Sodium cobaltinitrite test is done for the detection of (a) sodium (b) asmmonium (c) potassium (d) aluminum

What chemical is added to washing powders to keep them dry? (a) Sodium perborate (b) Sodium carbonate (c) Sodium sulphate (d) None of these

Which of the following salts, would give \(\mathrm{SO}_{2}\) with hot and dil. \(\mathrm{H}_{2} \mathrm{SO}_{4}\) and also decolorize \(\mathrm{Br}_{2}\) water ? (a) \(\mathrm{Na}_{2} \mathrm{SO}_{3}\) (b) \(\mathrm{NaHSO}_{4}\) (c) \(\mathrm{Na}_{2} \mathrm{SO}_{4}\) (d) \(\mathrm{Na}_{2} \mathrm{~S}\)