Styrene is produced from ethyl benzene by the process of
Dehydrogenation
Oxidation
Alkylation
Dehydration
- Boiling of water containing temporary hardness produces
- High temperature carbonisation of coal takes place at __________ °C.
- Pick out the wrong statement.
- All enzymes are made of
- Cation exchanger is regenerated usually with
- Polyvinyl chloride (PVC) is
- Neoprene is a
- Phthalic anhydride is produced by the oxidation of
- Sulphur removal by heating of pyrite ore in presence of air is called its
- Chloramines are used in water treatment for
- __________ is an ore concentrating metallurgical process involving a chemical change.
- Polycaprolactam is commercially known as
- Phenolic antiseptics are added in the __________ soap.
- Pick out the wrong statement.
- __________ is not a constituent of gun powder.
- Vinyl chloride (CH2 = CH.Cl) is produced by the thermal pyrolysis of ethylene dichloride at a pressure…
- The basic constituent of vegetable oils is
- __________ process is used for producing soda ash.
- Adipic acid is an intermediate in the manufacture of
- Extraction of __________ employs an electrolytic process.
- Which of the following is not a raw material used for the manufacture of ordinary glass?
- Dechlorination of treated water is necessary to
- The biochemical treatment applied to sewage effluents is a process of
- Ceramics are produced from silicates or clayish materials: Which of the following is not a ceramic material?
- Which of the following impurities in feed water for high pressure boiler is the most detrimental?
- Higher viscosity index of a lubricating oil denotes
- Hydrogenation of oil takes place in a/an __________ reactor.
- Starting raw material for the manufacture of Maleic anhydride is
- Which of the following is a disaccharide?
- Nickel is not used as a catalyst in the