Extraction of __________ employs an electrolytic process.
Aluminium
Silver
Copper
All (A), (B) and (C)
- Pick out the wrong statement.
- Le-Blanc process is a primitive process for the manufacture of
- Pitch (a product of coal tar distillation) is always mixed with creosote oil, when it is to be burnt…
- Hollander beater used during paper pulp manufacture does not facilitate the __________ of fibre.
- The most commonly used substance to speed up the sedimentation of sewage is
- Electro deposition of metals i.e. electroplating is never done on
- Chemical name of aspirin (an analgesic drug) is
- Esterification reaction
- How much temperature is maintained during quicklime manufacture in the calcination zone of the vertical…
- Phthalic anhydride is used
- Isopropyl benzene produced by alkylation of benzene with propylene is known as
- Sulphuric acid solution having a specific gravity of 1.20 at room temperature is used mainly for the
- Which of the following is an yellow pigment?
- Which is a high grade pulp?
- Multistage catalytic converter is not used in the
- Lindane is
- The most popular and common detergent i.e., alkyl benzene sulfonate (ABS) is a/an __________ detergent.
- Pick out the wrong statement pertaining to nitric acid.
- Which of the following processes can remove both temporary as well as permanent hardness of water?
- Pick out the wrong statement.
- Finely ground calcium aluminate & silicate is a/an
- Pick out the wrong statement.
- Nickel is not used as a catalyst in the
- Hard water
- Carboxymethyl cellulose (CMC) is added in detergents to
- During the manufacture of sulphuric acid, the temperature of molten sulphur is not increased beyond…
- Solvay process as compared to dual process(i.e. modified Solvay process).
- Naphthols are derivates of
- Sulphuric acid completely saturated with sulphur trioxide is called
- Which of the following is not produced on commercial scale from sea water?