Zeolite removes both temporary as well as permanent hardness of water by precipitating calcium and magnesium present in water as insoluble zeolites. Used zeolite is regenerated by flushing with the solution of
Calcium sulphate
Sodium chloride
Sodium sulphate
Magnesium chloride
- Analgesic drugs are
- Mercury cells for caustic soda manufacture, compared to diaphragm cells
- Styrene butadiene rubber (SBR) is
- Zeolite used in water softening process (cation exchange) is regenerated by washing with
- Silicon carbide is a/an
- The terminology 'BTX' used in coal tar distillation industry refers to
- __________ glass is used for the manufacture of optical glass.
- In nylon-66, the first and second numbers (i.e., 6) respectively designate the number of carbon atoms…
- Main constituents of natural rubber is
- Viscose rayon is chemically
- Lurgi coal gasifier is a pressurised __________ bed reactor.
- Which of the following is not a product of coal tar distillation?
- __________ is produced using molasses as the starting raw material.
- The yield of tar from high temperature carbonisation of dry coal is about __________ percent.
- Styrene is produced from ethyl benzene by the process of
- DDT stands for
- The most popular and common detergent i.e., alkyl benzene sulfonate (ABS) is a/an __________ detergent.
- Catalytic oxidation-dehydrogenation of methyl alcohol produces
- Double Contact Double Absorption (DCDA) process is the most recent process for the manufacture of
- Maleic anhydride is produced by catalytic oxidation of
- Ethanol amine is produced using ammonia and
- CaO is called
- Consider the production of ammonia from methene and air as raw materials. The catalysts used are:(i)…
- Commonly used glass is known as the __________ glass.
- Adipic acid is an intermediate in the manufacture of
- Which oil is preferred for paint manufacture?
- The catalyst used in the manufacture of DDT (from chloral and chlorobenzene) is
- Rosin soap is added during paper manufacture to
- Pasteurisation of milk means
- Ethyl alcohol cannot be produced