Which of the following is a constituent of coffee?
Caffeine
Nicotine
Calgon
Lignin
- Pick out the wrong statement pertaining to the soap manufacture.
- Which of the following has sodium bicarbonate as its main constituent?
- Chemical formula of oleum is
- Sodium chloride content in sea water is about __________ gms/litre.
- Systemic insecticides
- Roasting of metallurgical ores is done mainly to
- Starting raw material for the manufacture of alum is
- The type of high refractive index glass used in optical instruments is __________ glass.
- Temporary hardness of water can be removed by
- Pick out the wrong statement.
- Nylon-66 is so named because the
- Gun powder uses
- Varnish does not contain
- Dense soda ash used in the manufacture of glass, is chemically represented by
- Hydrazine is largely used
- Pick out the wrong statement. Iodine value of an oil or fat is
- Percentage of glycerine present in the spent lye obtained during soap manufacture is about
- Solvay process as compared to dual process(i.e. modified Solvay process).
- Salt is added in the kettle during soap manufacture to separate
- Antibiotic
- The function of gypsum addition during cement making is to
- Soaps remove dirt by
- The catalyst used in the manufacture of DDT is
- Margarine is a/an
- Blue colour is imparted to glass by the addition of
- Temperature during hydrogenation of oil should not be more than 200°C, otherwise it will result…
- Which of the following is a detergent?
- Adipic acid is an intermediate in the manufacture of
- The noble gas which occurs most abundantly in the atmosphere is
- Main constituent of limestone is