Percentage of alcohol in beer may be around __________ percent.
2-8
18-23
27-32
1-4
- __________ is an ore concentrating metallurgical process involving a chemical change.
- Builders are added in soap to act as
- Yellow phosphorus is transported under
- __________ are used as corrosion inhibitor for iron & steel in aqueous solutions.
- Which of the following paper does not require a filler during manufacture?
- Plasticisers are added to paints to
- The compressive strength of cement should not be less than about 110Kg/cm2 after three days & not less…
- Which of the following is not a product of coal tar distillation?
- Neon gas is
- __________ is used as a catalyst in fat splitting.
- The catalyst used in the manufacture of DDT (from chloral and chlorobenzene) is
- Nitrile rubber is produced by the polymerisation of
- Carboxymethyl cellulose (CMC) is added in detergents to
- Which of the following is not produced commercially from sea water?
- Dry ice (solidified CO2) is used for the
- Salt is added in the kettle during soap manufacture to separate
- Which of the following is the purest form of water out of the following?
- Sand and __________ is fused at 1300°C, to produce sodium silicate.
- Fusel oil is a/an
- Dechlorination of treated water is necessary to
- Flux addition during smelting of ore is done to
- Transportation of 35% oleum during winter suffers from the problem of freezing, which can be overcome…
- Thermal pyrolysis of ethylene dichloride produces
- Pick out the correct statement.
- Viscosity index improver (like polystyrene or polyisobutylene) is added to lubricant to
- SO2 is bubbled through hot sugar cane juice to
- Coke oven gas consists mainly of
- The main use of HCl is in the
- Cement setting under water employs a/an __________ process.
- Common salt is generally not produced commonly by __________ method from brine.