Chemical Engineering :: Chemical Process
- Resistance to fusion of the refractory under a steady rising temperature condition is called
- Enamels
- The most widely used coagulant for removing suspended impurities from water is
- Isopropyl benzene produced by alkylation of benzene with propylene is known as
- Coloured glass is obtained by mixing of colored salts. Addition of __________ oxide is done to impart greenish blue color to the glass.
- A bio-catalyst produced by living cells which acts independent of the cell is called a/an
- Pick out the wrong statement pertaining to nitric acid.
- Exothermic neutralisation reaction between caustic soda and dodecylbenzene sulphonic acid produces sodium dodecylbenzene sulphate, which is a/an
- Enzymes are
- Neoprene is chemically known as
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A.
About 90% of nitric acid is manufactured by Ostwald |
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B.
It is a strong mono basic acid which reacts with almost all the metals except noble metals |
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C.
Yellow color of impure nitric acid is because of dissolved oxides of nitrogen (mainly NO₂) |
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D.
Arc process of nitric acid manufacture is economical as compared to Ostwald |