Chemical Process MCQ Questions & Answers

61

Direct conversion of chemical energy into electrical energy is done in a

A) Magnetohydrodynamic (MHD) generator B) Fuel cell C) Fast breeder reactor D) None of these

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Answer & Solution

Answer: Option B

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62

Alcohol content in freshly prepared natural and fortified wine may be respectively around __________ percent.

A) 7-14 and 14-30 B) 7-14 and 40-50 C) 14 - 30 and 40-50 D) 10 - 20 and 40 - 50

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Answer & Solution

Answer: Option A

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63

Resistance to fusion of the refractory under a steady rising temperature condition is called

A) Spalling B) Refractoriness C) Both A & B D) Neither A nor B

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Answer & Solution

Answer: Option B

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64

Enamels

A) Give good glossy finish B) Are same as varnish C) Are prepared from non-drying oil D) Do not contain pigment

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Answer & Solution

Answer: Option A

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65

The most widely used coagulant for removing suspended impurities from water is

A) Bleaching powder B) Chlorine C) Calcium sulphate D) Alum

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Answer & Solution

Answer: Option D

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66

Isopropyl benzene produced by alkylation of benzene with propylene is known as

A) Neoprene B) Cumene C) Gelatin D) Mercaptans

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Answer & Solution

Answer: Option B

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67

Coloured glass is obtained by mixing of colored salts. Addition of __________ oxide is done to impart greenish blue color to the glass.

A) Chromium B) Arsenic C) Copper D) Mangnese

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Answer & Solution

Answer: Option C

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68

A bio-catalyst produced by living cells which acts independent of the cell is called a/an

A) Substrate B) Enzyme C) Nutrient D) None of these

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Answer & Solution

Answer: Option B

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69

Pick out the wrong statement pertaining to nitric acid.

A) About 90% of nitric acid is manufactured by Ostwald B) It is a strong mono basic acid which reacts with almost all the metals except noble metals C) Yellow color of impure nitric acid is because of dissolved oxides of nitrogen (mainly NO₂) D) Arc process of nitric acid manufacture is economical as compared to Ostwald

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Answer & Solution

Answer: Option D

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70

Exothermic neutralisation reaction between caustic soda and dodecylbenzene sulphonic acid produces sodium dodecylbenzene sulphate, which is a/an

A) Explosive B) Soap C) Detergent D) Analgesic drug

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Answer & Solution

Answer: Option C

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Chemical Process MCQ Questions & Answers | Chemical Engineering