Mannheim furnace is used in the manufacture of
Hydrochloric acid
H2SO4 by Chamber process
Calcium carbide
Corundum
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- Salt is added in the kettle during soap manufacture to separate
- Which is the main reducing agent during production of iron from iron ore in a blast furnace?
- Yellow glycerine is made into white, using
- Chemical formula of 'salt cake' is
- Commercial production of Vanaspati is done by __________ of edible vegetable oils.
- Carboxymethyl cellulose (CMC) is added in detergents to
- Washing soda is chemically represented by
- Bakelite is chemically known as
- Potassium is kept & transported under
- Rancidity of the fatty oil can be reduced by its
- Liquefaction of gases cannot be done by
- Which of the following is a constituent of vinegar?
- Solvay process is not used for the manufacture of potassium carbonate, because of the reason that potassium…
- Pig iron is produced by blast furnaces in India using mostly the iron ore named
- Hydrogenation of vegetable oils is a/an __________ reaction.
- Chalcopyrite is the main ore of
- The function of gypsum addition during cement making is to
- Chlorine gas is produced by the electrolysis of brine (NaCl solution with solid NaCl make up) in mercury…
- A good quality coal should have
- Carbon content of pitch (residue of coal tar distillation) is around __________ percent.
- Which of the following is not an abrasive material?
- Favourable conditions for the liquefaction of gases in general are
- Commercial scale production of hydrogen from iron-steam reaction represented by, 3Fe + 3H2O = Fe3O4…
- __________ acid is the main constituent of cotton seed oil.
- Electro deposition of metals i.e. electroplating is never done on
- Which of the following coals has the highest calorific value?
- Penicillin is separated from fermented broth by
- Which of the following is not responsible for causing permanent hardness of water?
- Which of the following is a constituent of coffee?
- Which of the following is an explosive?