Chemistry Holiday Homework Class Xii Summer Vacations 2017-18

CHEMISTRY HOLIDAY HOMEWORK – CLASS XII SUMMER VACATIONS 2017-18

1. Write the following two experiments in the practical file:-

· To prepare colloidal solution (sol) of starch.

· To prepare ferric hydroxide Fe(OH)3 sol.

2. Learn the Scheme for Salt Analysis and complete it in your practical file.

3. Prepare all types of NCERT questions of Chapters completed till date and do the same in your notebooks.

4. Thoroughly revise all the chapters completed till Summer Vacations for further examinations.

5. Prepare investigatory project to be submitted for Board Practicals.

ENJOY YOUR VACATIONS; KEEP WORKING HARD

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Holidays home work for class XII

SUB – ENGLISH

1. Read the complete novel The Invisible Man.

2. Write the chapter- wise summary in your notebooks.

3.Write the characterization of Mrs. Hall, Griffin Mr. cuss ,Thomas Marvel , Dr. Kemp and Mr Hall.

4. Write two notices, two posters, two formal invitations [card] and five classified advertisements.

5. Write a Letter to Editor, a complaint letter, a letter of enquiry, a cancellation letter and a job application.

6. Write two newspaper reports, an article on Value Education.

7. Write notes for two passages using abbreviation with summary along with a suitable title.

Kendriya vidyalaya sec.3 , rohini delhi

Subject: Holiday Homework for XII-C

Business studies:

Learn all concept from lesson Nature and Significance of Management, Principles of Management, Business Environment.

Write answer form CBSE Question paper from related lesson.

Solve case study from related lesson

Accountancy:

Solve following question

Lesson 1: 5,7,9,18,19,36,40,44,58,60

Lesson 2: 3,6,9,13,17,21,23,26,27,30,31,34,35

Lesson 3: 4,7,11,14,21,23,33,37,38,47,49,59,60,61,73,83

CS holiday homework

Q1 How the following object oriented features are achieved in c++?

1. Data hiding

2. Reusability

3. Polymorphism

4. Encapsulation

Q2 Create a class ‘stock’ as defined in Q18 on pg 90 and Q19 ?

Q3 Explain the different type of function in a class with examples? Also define the two methods of defining the function?

Q4 Define constructor and destructor with there specific characteristics and examples.

Q5 By giving suitable example differentiate between default constructor, parameterized constructor and copy constructor.

Q6 What is the difference between access specifier and visibility mode? Give suitable example to clarify the difference.

Q7 . Download Question Papers of 2012, 2013,2014,2015,2016 and solve question no. 1 and 2 for each paper (2012, 2013, 2014,2015m2016) on your home Work copy with a mention “Holiday Home Work 2017”.

HOLIDAY HOMEWORK

ECONOMICS CLASS 12

1. Revise all syllabus done in class thoroughly.

2. Go through extra ques. given in C.B SACHDEVA.

3. Do on ruled sheets –

(A) Difference – 1.normal good and inferior good.

2. Individual demand and market demand

(B) Explain law of variable proportion.

(D) Discuss consumer equilibrium (all 3 approaches)

(E) Numerical on ed. (textbook)

IP Holidays Home Work(Summer Vacation)

1.Why do we need Network in our system?

2.What is a Server in a Computer Network,Give its roole and types?

3.What is the difference between Phonetic text entry and Key map based text entry?

4.Define the following:

*Snooping

*Evas Dropping

*DOS

*PHP

*MySql

5.Expand the following:

*JPEG

*OSI

*FLOSS

*FSF

*GNU

*W3C

*OSS

*HTML

*XML

*LAN,WAN,MAN

6.Define the following protocols:

*DNS

*Http

*SMT

*FTP

*TCP/IP

7.What do you mean by topology?Give 2 advantage and disadvantage of Bus,Star and Ring Topology.

8.Brief Summary on Communication media?

9.Define following Network devices:

*Modem

*Bridge

*Hooter

*Gateway

*Hub

*Repeater

Holidays HW - Physics

Do questions related to CHAPTER 3 of NCERT fromprevious years Board papers and test preparation for the topics covered in the class.

Holidays HW-Maths

100 Board questions of 4th chapter.