GGS COLLEGE OF MODERN TECHNOLOGY

Department of Applied Sciences

Internal Reaapear EXAMINATION

Roll No.: ..

CLASS: B.Tech. Ist YearTEST DURATION: 1:30 Hours

SUBJECT NAME: ChemistryMAX. MARKS: 24

SUBJECT CODE: BTCH- 101DATE:

Instructions:

a) All questions are compulsory in Section - A.

b) Attempt any two questions from Section B.

c) Attempt any one question from section C.

SectionA

1. Define Hardness of water.

2. Define Pilling Bedthsworths rule.

3. What do you mean by galvanization?

4. What is calgon conditioning? [2 x 4=8]

Section-B

5. Discuss zeolite process for softening of water.

6. Discuss cathodic protection method for prevention of corrosion.

7. Write short note on disinfectioning of water? [4 x 2 = 8]

Section-C

8. Discuss lime-soda process with the help of a well labeled diagram.

9. Discuss electrochemical theory of corrosion. [8 x 1 = 8]