Most commonly used rubber vulcanising agent is
Sulphur
Bromine
Platinum
Alumina
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- Coagulant is used __________ filtration.
- Soaps remove dirt by
- Oxygen is produced by fractionation of air using __________ process.
- Raw material used in alcohol distilleries in India is
- Alcohol is produced by the
- A 'unit process' is exemplified by the
- __________ is produced by the dehydrogenation of ethyl benzene.
- Chlorine gas is produced by the electrolysis of brine (NaCl solution with solid NaCl make up) in mercury…
- Roasting of metallurgical ores is done mainly to
- Nicotine is
- Manufacture of phthalic anhydride uses __________ as a catalyst.
- Which of the following is a constituent of coffee?
- Chalcopyrite is the main ore of
- The end bleaching agent used to move last traces of colour bodies from the pulp is
- Sizing material is incorporated in paper to
- Chemical name of 'alum' is
- Sugar content in sugarcane on cane basis is about __________ percent by weight.
- Use of chlorine in the treatment of sewage
- The most economical pulp for the production of newsprint would be the __________ pulp.
- Vanillin is a type of
- Synthesis gas is a mixture of
- Nitric acid is not used in the manufacture of
- Neoprene is a
- Sucrose is a disaccharide consisting of
- Silicone is a/an
- Which of the following is not a food additive?
- Which of the following is an ore of iron?
- Argon is the third largest constituent of air (followed by N2 & O2). Its percentage by volume in air…
- Fermentation of molasses to produce ethyl alcohol is done at __________ °C.
- Plaster of Paris is