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Which of the following is a basic dye?

A. Orange-I B. Aniline yellow C. Phenolphthalein D. Anthraquinon Solution: (B) Aniline yellow also called as 4-phenyldiazenylaniline is... View Article

An insoluble dye is reduced to a soluble colourless leuco form by an alkaline reducing agent. The fibre is soaked in the dye solution and then exposed to air to develop the colour. The dye is:

A. Mordant dye B. Vat dye C. Azo dye D. Direct dye E. Disperse dye Solution: (B) Vat dyes are insoluble in water and cannot be... View Article

Which type of dyes are not used do dye nylon and polyester fibres?

A. Vat dyes B. Basic dyes C. Disperse dyes D. Insoluble azo dyes Solution: (A) Vat dyes are not used to dye nylon and polyester fibres.... View Article

Alizarin is an example of:

A. Triayl dye B. Azo dye C. Vat dye D. Anthraquinone dye Solution: (D) Alizarin also known as 1,2−dihydroxyanthraquinone is an... View Article

The safest and the most common alternative of sugar is:

A. Glucose B. Aspartame C. Saccharine D. Cyclodextrin Solution: (B) Aspartame can be described as a type of an atrificial,... View Article

Which of the following is pheromone?

A. Linalool B. Disparlure C. BHA D. Alitame Solution: (B) Disparlure is an pheromone.... View Article

Butylated hydroxy toluene as a food additive acts as:

A. Flavouring agent B. Emulsifier C. Antioxidant D. Colouring agent Solution: (C) Butylated hydroxytoluene is a type of a lipophilic... View Article

4-chloro-3, 5-dimethyl phenol is called:

A. Chloramphenicol B. Paracetamol C. Barbital D. Dettol Solution: (D) Dettol is a popular antiseptic that we find readily available in... View Article

The reagent(s) used in the preparation of aspirin from salicylic acid;

A. SOCl2, pyridine B. (CH3CO)2O, H+ C. CH3CO2H, HCl D. CH3Cl, AlCl3 Solution: (B) Asprin (2-acetoxy benzoic acid) can be categorized as... View Article

Chloramphenicol is:

A. Broad spectrum antibiotic B. Narrow spectrum antibiotic C. Broad spectrum analgesic D. Broad spectrum antibacterial Solution: (A)... View Article

Chemically aspirin is known as:

A. Salicyclic acid B. Salicylaldehyde C. 2-acetoxybenzoic acid D. Phenyl salicylate Solution: (C) Aspirin is commonly known as... View Article

Tincture of iodine is:

A. Aqueous solution of I2 B. Solution of I2 in aqueous KI C. Alcohol-water solution of I2 D. Aqueous solution of KI Solution: (C)... View Article

The drug used to bring down the fever are known as:

A. Analgesic B. Antibiotics C. Antipyretics D. Sulpha drugs Solution: (C) Antipyretics are chemical compounds that are mainly used to... View Article

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

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