This download link is referred from the post: SGBAU BSc Last 10 Years 2010-2020 Question Papers || Sant Gadge Baba Amravati university
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B.Sc. (Part—I1) Semester—II1 Examination
3S : INDUSTRIAL CHEMISTRY (R/V)
(Unit Processes and Process Equipments)
Time : Three Hours] [Maximum Marks : 80
Note :
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- Question No. 1 is compulsory and carries 8 marks.
- Remaining all SIX questions carry 12 marks each.
- Give chemical equations and draw diagram wherever necessary.
- Use of calculator is allowed.
- (A) Fill in the blanks :— 2
- In hydrogenation of vegetable oil, glycerides of unsaturated fatty acid are converted into glycerides of _~ acid.
- The mixed acid used in nitration is composed of HNO3 and __________.
- Mcleod gauge is generally used in the measurement of high __________.
- Composting is the aerobic and __________ decomposition of organic matter present in the refuse by microorganisms.
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- (B) Choose the correct alternative :— 2
- Halogenation reactions involve the use of :
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(a) Chlorine (b) Bromine (c) lodine (d) All of these - Which of the following is not an oxidising agent ?
(a) KMnO4 (b) K2Cr2O7 (c) HCI (d) HNO3 - Evolution of hydrogen type corrosion occurs in this environment :
(a) Acidic (b) Basic (c) Neutral (d) All of these - Which of the following is a vigorous hydrogenation catalyst ?
(a) Copper (b) Nickel (c) Palladium (d) Platinum
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- Halogenation reactions involve the use of :
- (C) Answer in ONE sentence - — 4
- What is sulphonation ?
- Why the hardening of vegetable oil is carried out ?
- Give the sources of radioactive waste.
- Define passivity.
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Firstranker's choiceUNIT—I
- (A) What is alkylation ? Discuss any three alkylating agents. 4
(B) Explain the manufacture of m-nitroaniline. 4--- Content provided by FirstRanker.com ---
(C) Give an account of continuous nitration. 4
OR - (P) Discuss the manufacture of p-nitroacetanilide from acetanilide. 8
(Q) Describe cathodic reduction method of amination. 4
(R) Explain the vapour phase mechanism of alkylation. 4
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UNIT—I1
- (A) Give an account of sulphonation of benzene. 4
(B) What is bromination ? Explain any three types of brominating agent. 4
(C) Discuss the thermodynamics of hydrolysis. 4
OR - (P) Explain any four factors affecting sulfonation. 4
(Q) Give an account of various hydrolysing agents. 4
(R) Discuss the manufacture of chlorobenzene. 4
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UNIT—I11
- (A) Explain the manufacture of benzoic acid 4
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(B) Discuss the manufacture of methanol from carbon monoxide and hydrogen. 4
(C) What is esterification ? Explain the esterification of organic acid with olefin. 4
OR - (P) Give an account of vigorous and mild hydrogenation catalysts. 4
(Q) Discuss the manufacture of vinyl acetate. 4--- Content provided by FirstRanker.com ---
(R) What is oxidation ? Explain any three types of oxidative reactions. 4
UNIT—1V
- (A) Draw and explain glass thermometer. 4
(B) Discuss float type liquid level gauge. 4
(C) Draw and explain manometer 4--- Content provided by FirstRanker.com ---
OR - (P) Describe radiation pyrometer with diagram. 4
(Q) Give an account of Pirani gauge used in the measurement of pressure. 4
(R) Explain bell type liquid level gauge 4
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- (A) Give the mechanism of corrosion by hydrogen evolution. 4
(B) Describe underground corrosion. 4--- Content provided by FirstRanker.com ---
(C) Draw and explain manufacturing process of oil paints. 4
OR - (P) Define corrosion. Discuss galvanic corrosion. 4
(Q) Discuss the factors affecting corrosion. 4
(R) Describe chemical and physical passivity. 4
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UNIT—VI1
- (A) Define solid waste. Explain the types of solid waste with suitable examples. 4
(B) Explain composting as a solid waste treatment. 4
(C) Discuss biomedical waste. 4
OR - (P) Explain the method of industrial solid waste treatment and disposal by incineration. 4
(Q) Describe the types of hazardous solid waste. 4
(R) Give an account of recycling and reuse of solid waste. 4
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This download link is referred from the post: SGBAU BSc Last 10 Years 2010-2020 Question Papers || Sant Gadge Baba Amravati university