Which of the following structures represents a colourless substance
To which class of dyes does phenolphthalein belong
Indigo belongs to the class of
Bithional is an example of
Hair dyes contain
Which of the following is an azo dye
The dyes which are applied to the fabric in the colourless reduced state and then oxidised to coloured state are called
Dyes are generally obtained from the substances obtained from
The functional groups present in `salol are
4-chloro-3, 5-dimethyl phenol is called
Alizarin is an example of
The reagent(s) used in the preparation of aspirin from salicylic acid
Paracetamol is a/an
Chemically aspirin is known as
Which one among the following is not an analgesic?
Tincture of iodine is
Chloramine-T is a
Aspirin is an acetylation product of
Phenacetin is used as
The safest and the most common alternative of sugar is
Which among the following is not an antibiotic ?
Which of the following is pheromone?
Glycerol is Added to sopa. It function:
Which of the following is used as a "morning after pill"?
The drug used to bring down the fever are known as
Butylated hydroxy toluene as a food additive acts as
What are the substances which mimic the natural chemical messengers?
Tranquillisers are also known as
Which type of dyes are not used to dye nylon and polyester fibres?
1 M nac1 and m HCl are present in an aqueous solution the solution is:
Use of chemicals for therapeutic effect is called
Which of the following is antipyretic and analgesic?
Which of the following is bacteriostatic?
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