Antiseptic chloroxylenol is:
A4 – chloro – 3,5 – dimethyl phenol B3 – chloro – 4, 5 – dimethyl phenol C4 – chloro... View Article
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The drug shown in the picture below is used as:
A. Vasodilator B. Analgesics C. Antacid D. Antiseptic Solution: (A) The drug is used as a vasodilator.
Benzalkonium chloride is a:
A. Cationic surfactant and antiseptic B. Anionic surfactant and soluble in most of organic solvents C. Cationic surfactant and insoluble... View Article
Which of the following antibiotics was first discovered?
A. Ampicillin B. Amoxycillin C. Penicillin D. Chloramphenicol Solution: (C) Penicillin was the first antibiotic medication to be discovered and... View Article
Aspirin is:
A. Acetylsalicylic acid B. 2-Methoxybenzoic acid C. Acetyloxalic acid D. Methylbenzoic acid Solution: (A) Aspirin is an acetylsalicylic acid.
H2O2 used in rocket has the concentration:
A. 50% B. 70% C. 30% D. 90% Solution: (D) H2O2 is used as an oxidant for rocket fuel and... View Article
Which of the following is not used as propellant?
A. Hydrazine B. UDMH C. MMH D. Phenyl hydrazine Solution: (D) Phenyl hydrazine cannot be used as a propellant. Normally,... View Article
Which one of the following acids is used as an oxidizer in rocket fuel?
A. HClO4 B. HNO2 C. H3PO4 D. HNO3 Solution: (D) Nitric acid composite propellant is typically used as an oxidizer... View Article
Soaps are classified as:
A. Ether B. Salts of fatty acids C. Carbohydrates D. None of these Solution: (B) Soaps can be classified as... View Article
Select the detergent that is used to prepare cosmetics:
A. DDBS B. Polyethylene glycol C. Cetyltrimetbyl ammonium chloride D. LAS Solution: (C) Cetyltremethyl ammonium chloride is a cationic detergent... View Article
Which of the following is an example of azo dye?
A. Methyl Orange B. Malachite green C. Mercurochrome D. Martius yellow Solution: (A) Azo dye contain nitrogen as the azo... View Article
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 a basic... 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... 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... 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... 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.
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... 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... View Article
