Free alkali in a toilet soap is __________ that in a laundry shop.
Less than
More than
Same
None of these
- Main constituents of Portland cement are calcium aluminate and
- Thorium is mainly used
- Very fine suspended and colloidal impurities are removed from water by a process called
- Grignard reagent is chemically known as
- Comparing sulphate process with sulphite process, we find that __________ in the later.
- Pick out the wrong statement pertaining to solvent extraction of oil. Rate of extraction
- Vegetable oils contain large quantity of glycerides of unsaturated acids. When the vegetable oils contain…
- Sucrose is a
- Out of the following processes of paper pulp manufacture, the maximum corrosion problem in digestion…
- __________ glass is used for the manufacture of optical glass.
- __________ is not a constituent of gun powder.
- Refractory bricks having high thermal conductivity is desirable, when it is to be used in the
- __________ is used as a flux in the extraction of iron from iron ore (haematite) in blast furnace.
- Pick out the wrong statement.
- The catalyst used in the manufacture of DDT (from chloral and chlorobenzene) is
- Nylon-6 is a
- Esterification reaction produces
- The catalyst used in the production of elemental sulphur from H2S (by oxidation-reduction) is
- Blue colour is imparted to glass by the addition of
- Electro deposition of metals i.e. electroplating is never done on
- Zeolite used in water softening process (cation exchange) is regenerated by washing with
- Celluloid is chemically
- Dacron is a
- Linde process of gas liquefaction employs
- Hydrochloric acid is also known as
- Alum [Al2(SO4)3] is used as a coagulant in water treatment to remove
- Temperature during hydrogenation of oil should not be more than 200°C, otherwise it will result…
- Viscose rayon is chemically
- Argon is the third largest constituent of air (followed by N2 & O2). Its percentage by volume in air…
- Proximate analysis of coal determines its __________ content.