STUPIDSID
1
List the important differences between a Galvanic cell and an electrolytic cell.
2 M
2
Calculate the reduction electrode potential of copper when it is in contact with 0.5 m copper sulphate solution at 298 K. The E? value of copper is 0.34 V.
2 M
3
Give the mechanism of corrosion by absorption of oxygen.
2 M
4
Justify, how corrosion is formed by caustic embrittlement.
2 M
5
Calculate the calorific value of a fuel sample of coal with the following data:
(a) Mass of coal: 0.6 g
(b) Water equivalent of calorimeter: 2200 g
(c) Specific heat of water: 4.187 kJ kg-1 C-1
(d) Increase in temperature: 6.52°C
(a) Mass of coal: 0.6 g
(b) Water equivalent of calorimeter: 2200 g
(c) Specific heat of water: 4.187 kJ kg-1 C-1
(d) Increase in temperature: 6.52°C
2 M
6
Write the mechanism of knock in petrol engines.
2 M
7
Discuss on degree of freedom with example.
2 M
8
Mention about peritectic point in phase diagram of Mg2SiO4 - SiO2
2 M
9
State briefly about the working of a calorimeter.
2 M
10
Give the salient features of the technique of differential thermal analysis.
2 M
Answer any one question from Q11 (a) & Q11 (b)
11 (a)
Describe in detail about primary standard hydrogen electrode and calomel electrode.
16 M
11 (b)
Elaborate the determination of pH of a solution using glass and a common silver-silver chloride reference electrode.
16 M
Answer any one question from Q12 (a) & Q12 (b)
12 (a)
With example, explain the concept of differential areation corrosion.
16 M
12 (b)
List out the methods of protecting metals from corrosion. Discuss on any two important suitable methods.
16 M
Answer any one question from Q13 (a) & Q13 (b)
13 (a)
Explain the types of petrol cracking.
16 M
13 (b) (i)
Write briefly about the techniques to prevent knocking.
8 M
13 (b) (ii)
Explain the methods of prduction of synthetic petrol.
8 M
Answer any one question from Q14 (a) & Q14 (b)
14 (a)
Elaborate the application of phase rule to one component water system.
16 M
14 (b)
Explain the single homogeneous phase containing two components lead and silver.
16 M
Answer any one question from Q15 (a) & Q15 (b)
15 (a)
Explain the working principle of infrared (IR) spectroscopy.
16 M
15 (b)
Explain with the flow diagram about flame photometer.
16 M
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