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13096

13096

2 D10127

How is Nitric acid manufactured?

Write S.N. on Hazardous waste.

Discuss briefly COD.

(10 x 2 = 20 marks)

Section C
Answer any five questions.
Each question carries 6 marks.

Write S.N. on classification of errors. How are errors minimized?

Discuss in detail anomalous properties of Fluorine.

Write S.N. on acid rain.

Discuss the separation of nobles gases by charcoal adsorption method.

Discuss properties of Phosphazenes.

Discuss the diagonal relationship between Beryllium and Aluminium.

What are the adverse effects caused by toxic metals in water?
Write S.N. on thermal stability and solubility of carbonates.

(a)
(b)

(a)
(b)

(a)
(b)

(a)
(b)
(०)

(5 x 6 = 30 marks)

Section D
Answer any two questions.
Each question carries 10 marks.

Discuss in detail co-precipitation and post-precipitation.
Write S.N. on uses of Noble gases.

(5 + 5 = 10 marks)
Compare the Ionization energy and metallic character of alkali and alkaline earth metals.
Write S.N. on preparation, properties and uses of Borazine and Boron Nitride.

(6+ 4= 10 marks)
Write S.N. on structure and applications of Silicones and Silicates.
Write S.N. onimpacts of medical waste and their disposal.

(6+ 4=10 marks)
Write S.N. on Minamata disaster and Chernoby] accident.
Write S.N. on Eutrophication.

Discuss the applications of solubility product and common ion effect in the precipitation
of cations.

(4+ 2+4=10 marks)
[2 x 10 = 20 marks]