The catalyst used in the manufacture of DDT is
Alumina
Silica
20% oleum
Aluminium chloride
- Air used in aerobic fermentation must be sterilized, otherwise the
- Nylon-66 is so named because the
- Which glass is usually used in optical work?
- Platinum catalyst used in the earlier days of sulphuric acid manufacture by contact process suffers…
- Which of the following is a detergent?
- Multistage catalytic converter is not used in the
- Raw materials for 'Solvay Process' for manufacture of the soda ash are
- The purpose of adding Na2CO3 to water of low alkalinity is to
- The main component of Pyrex glass is
- Main constituents of cotton fiber is
- Percentage of uranium in Carnotite ore found in Jadugoda (Jharkhand) is about
- Neoprene is the trade name of
- Polymethyl methacrylate (PMMA) is known as
- Caprolactam (a raw material for nylon-6 manufacture) is produced from
- Metallic soap is __________ salt of fatty acids.
- Temporary hardness of water can be removed by
- Absorption of SO3 in 97% H2SO4 is
- Saponification value/number of an oil or fat is a measure of its
- Coke oven gas consists mainly of
- The catalyst used in the manufacture of DDT is
- Direct conversion of chemical energy into electrical energy is done in a
- Pitch (a product of coal tar distillation) is always mixed with creosote oil, when it is to be burnt…
- Neon gas is
- The enzyme which converts starch into the disaccharides maltose is
- Chlorine gas is produced by the electrolysis of brine (NaCl solution with solid NaCl make up) in mercury…
- Favourable conditions for the liquefaction of gases in general are
- In sulphate pulp manufacture, the pressure and temperature in the digestor is
- Riboflavin is a/an
- At very high concentration of enzymes, the rate of fermentation chemical reaction is __________ the…
- A good quality coal should have