To which class of dyes does phenolphthalein belong
Which of the following structures represents a colourless substance
Indigo belongs to the class of
Hair dyes contain
Which of the following is an azo dye
Bithional is an example of
Dyes are generally obtained from the substances obtained from
The dyes which are applied to the fabric in the colourless reduced state and then oxidised to coloured state are called
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?
Aspirin is an acetylation product of
Tincture of iodine is
Chloramine-T is a
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 used as a "morning after pill"?
Which of the following is pheromone?
Glycerol is Added to sopa. It function:
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?
Use of chemicals for therapeutic effect is called
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:
Which of the following is antipyretic and analgesic?
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