Oxygen is produced by fractionation of air using __________ process.
Linde's
Claude's
Either (A) or (B)
None of these
- Prussian blue is chemically represented by
- Nitrogen is an essential component of
- Main use of hydrazine is
- Which of the following is used as a coagulant in treating turbid water?
- Absorption of SO3 in 97% H2SO4 is
- Pick out the endothermic reaction out of the following.
- Fusion of limestone and __________ produces high alumina cement.
- Average sulphur content in Indian pyrites is about __________ percent.
- Rotary kiln is not involved in the production of
- Viscose rayon is
- Heating of __________ to 120°C, produces plaster of paris.
- Grignard reagent is chemically known as
- Reaction of ethylene glycol and dimethyl terephthalate (DMT) produces
- Enamels
- Fluorescent dyes are added in detergents to
- Phosphoric acid is prepared from
- At very high concentration of enzymes, the rate of fermentation chemical reaction is __________ the…
- Blue colour is imparted to glass by the addition of
- __________ process is used for the commercial production of nitric acid by the catalytic oxidation of…
- Commercial production of Vanaspati is done by __________ of edible vegetable oils.
- Poly Tetrafluoroethylene (P.T.F.E.) is known as
- Argon is the third largest constituent of air (followed by N2 & O2). Its percentage by volume in air…
- 10% oleum comprises of 10% free
- Salt is added in the kettle during soap manufacture to separate
- Main constituent of limestone is
- Co-efficient of thermal expansion of glass is decreased by the addition of __________ during its manufacture.
- The main component of Pyrex glass is
- Molecular weights of polymers are in the range of
- Commercial scale production of hydrogen from iron-steam reaction represented by, 3Fe + 3H2O = Fe3O4…
- Alum is commercially produced from