The amount of benzene present in pure Benzol is about __________ percent.
30
50
70
90
- How much temperature is maintained during quicklime manufacture in the calcination zone of the vertical…
- In multistage equilibrium conversion of SO2 to SO3 (2SO2 + O2 2SO3), the reverse reaction becomes appreciable…
- Sulphur addition in soap is done to
- Gun powder uses
- The most economical pulp for the production of newsprint would be the __________ pulp.
- Pick out the wrong statement pertaining to nitric acid.
- Ceramics are produced from silicates or clayish materials: Which of the following is not a ceramic material?
- Deaeration of water in its treatment is necessary, as it
- 20% oleum means that in 100 kg oleum, there are 20 kg of
- Pick out the exothermic reaction out of the following:
- Which of the following is used as a binding material in soap to improve soap texture?
- Salt is the basic raw material for the manufacture of
- Sucrose content in cane sugar may be around __________ percent.
- Chlorine gas is produced by the electrolysis of brine (NaCl solution with solid NaCl make up) in mercury…
- High purity nitrogen is used in
- Reaction of ethylene glycol and dimethyl terephthalate (DMT) produces
- Hydrogenation of vegetable oils is a/an __________ reaction.
- Prussian blue is chemically represented by
- Lurgi coal gasifier is a pressurised __________ bed reactor.
- Cement setting under water employs a/an __________ process.
- Exothermic neutralisation reaction between caustic soda and dodecylbenzene sulfonic acid produces sodium…
- Cooking liquor in case of sulphite process is
- The combustion reaction, C + O2 = CO2, is
- Oxidation of SO2 to SO3 is favoured by
- Pick out the wrong statement.
- Calcination of limestone is not done in a __________ kiln for producing lime.
- Esterification reaction produces
- Which of the following is not a product of coal tar distillation?
- Pick out the wrong statement.
- The major constituents of glass are