XII
RAVINDRA PUBLIC SCHOOL
HOLIDAYS HOMEWORK 2012-13
CLASS XII
Biology
1) Write the given experiments on Practical file
2) Make a project on Biology
3) Learn all the questions of Unit-1 in Biology
Physics
1) NCERT questions from Exercises.
a. (1.1 to 1.30) and (2.1 to 2.26).
2) Revise deviation's on electric field potential by different systems.
Do sums on arrangement of capicators and resistance
3) Revise Chapter 1,2 and 3 i.e. electrostatics (1,2) and current electricity for test on july 6th
2012.
Chemistry
1. To prepare pure sample of Mohr's salt
2. To perform pure sample of potash alrm
3(a)To study some simple test of oil and fat
3(b)To study simple test of protein
3© To study simple test of carbohydrate
4. Chromatography
5. To prepare colloidal solution of starch
6. To prepare colloidal solution of gum
7. To prepare colloidal solution of egg albumin
8. With the help of M/50 onalic acid fluid strength and molarity of KMno4
9. With the help of M/20 mohr salt strength and molarity of kmno4
10. To find cation and anion in salt
11. To find cation and anion in salt
12. To find cation and anion in salt
13. To find cation and anion in salt
14. To find cation and anion in salt
15. To find cation and anion in salt
16. To find cation and anion in salt
17. To study simple test of alcohol
18. To study simple test of phenolic group
19. To study simple test of aldehyde
20. To study simple test of ketone
21. To study simple test of carbonylic acid
22. To study simple test of amines
Theory
a) Do numerical problems of solid state solution
b) Questions of NCERT (Solid state and slution)
Project
Complete the given project
English Core
1. Reading comprehension work of ten extracts.
1) Notes of ten extracts.
2) 5 Notices
3) 5 Reports
4) 5 Formal Invitations
5) .5 Formal replies
6) 5 Informal invitations
7) Articles on
a) Political corruption in India
b) Right to Education
c) Role of National Language
d) Democracy in India- A success/failure
e) Increasing crimes in society
9. Five Letters to editor on current issues
10. Revision work in
a) the last lesson
b) Lost spring
c) Deep water
d) Rat trap
e) My mother at sixty six
f) Elementary classroom
g) Keeping quiet
h) Third level
i) Tiger King
Maths
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