chapter 15+16 2nd year chemistry
Chapter # 15 Common chemical
Industries in Pakistan F.Sc
2nd Year Chemistry
Short Questions:
1. What are fertilizers and why
are they needed?
2. What are macro nutrients and
micro nutrients.
3. What is manure?
4. What are the requirements
for a fertilizer.
5. Write down qualities for
good fertilizers.
6. What are nitrogenous
fertilizers. Write their names and uses.
7. Write the reactions for
preparation of urea.
8. Draw the flow sheet diagram
of Urea?
9. Why ammonium Nitrate cannot
used for Paddy rice?
10.
What are phosphatic fertilizers?
11.
What are Potassium fertilizers?
12.
Define Cement. Why we use the word Portland cement.
13.
Write down three raw material used for the manufacturing of Cement.
14.
Write the steps for manufacturing of cement by Wet Process.
15.
What is Clinker. Also write its use.
16.
What is ment by setting of cement? Also give the reactions in setting of cement in
first 24hours.
17.
What reactions takes place in the setting of cement in 1 to 7 days.
- Define paper.Also name two woody and
two non woody raw material used for production of paper.
- Write the process of
Digestion and Bleaching used for preparation of Paper pulp in paper
industries.
- Write down the name of
the components of paper making machine.
Chapter # 16 Enviromental
Chemistry F.Sc
2nd Year Chemistry
Short
Questions:
1. Define Environmental
Chemistry?
2. Write the names of
Components of Environments.
3. What are Atmosphere and
Hydrosphere?
4. Explain Lithosphere and Bio
sphere.
5. What is Environmental
Pollution?
6. What are Primary and
Secondary pollutant.
7. What are th effects of CO,
NOx, SOx on the human health.
8. What is acid deposition. How
does it effect the building materials. Or what is acid rain?
9. What is Smog. Differentiate
between Oxidizing Smog and reducing smog.
10.
What conditions are required for the formation of smog.
11.
What is the purpose of Ozone and what is ozone hole?
12.
How chlorofluorocarbons destroying the ozone. Write its reactions.
13.
How oil spoilage Pollute the Water.
14.
What is biological effect of water pollution due to pesticides.
15.
What are detergents? give its types.
16.
How leather tanneries pollute water.
17.
What is dissolved Oxygen (D.O)
18.
Define Biological Oxygen Demand (B.O.D) and Chemical Oxygen Demand
(C.O.D)
19.
What do you mean by aeration of raw water.
20.
How water is made potable by coagulation.
21.
What are harmful effects of Chlorination of Water.
22.
What is leachate?
23.
What is incineration give its two advantages and two disadvantages.
24.
How the recycling of wastes can be done.
Comments
12 class chemistry (2nd year, fsc part 2) notes,chapter 16