Mercury electrolytic cell produces 50-70% NaOH solution. Its operating temperature is __________ °C.
25
60-70
150-200
250-300
- Dacron (or Terylene) fibres as compared to nylon fibres have
- Oxidation of ortho-xylene in presence of __________ catalyst is done to produce phthalic anhydride on…
- Concentration of NaOH solution produced by diaphragm electrolytic cell is about __________ percent.
- Hydrogenation of edible vegetable oils
- Which of the following is the most adverse factor challenging the choice of mercury electrolytic cell…
- Styrene is produced from ethyl benzene by the process of
- Molasses is the starting material for the production of
- Bakelite is
- A bio-catalyst produced by living cells which acts independent of the cell is called a/an
- The most economical pulp for the production of newsprint would be the __________ pulp.
- Which of the following is an yellow pigment?
- Presence of H2S in raw water (to be chlorinated) results in the
- Which of the following is not produced commercially from sea water?
- Viscose rayon is chemically
- Sucrose is a disaccharide consisting of
- Fish contains about __________ percent oil.
- Naphthalene is removed from coke oven gas by
- Chemical name of soda ash is
- Which of the following is used as a coagulant in treating turbid water?
- Which of the following is not an abrasive material?
- CO & H2 are the constituents of
- Separation of fresh water from sea water can be done by the __________ operation.
- Hydrogenation of oil/fat does not
- Digestion of wood-base materials (for manufacture of pulp) is done to
- Fusel oil is a/an
- Graphite is a/an
- Cumene (isopropyl benzene) is made by
- Chemical name of 'alum' is
- Vegetable oils and fats basically differ in their
- Cooking liquor in case of sulphite process is