+2 / 12th Std / Plus Two Chemistry, Computer Science Practical Model Question Paper : www.jac.nic.in Jharkhand

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Document Described : Chemistry Practical Question Paper, Computer Science Question Paper, Jharkhand Question Paper

CHEMISTRY
(Practical)
Set : I
Full Marks - 30
Pass Marks - 10
Time - 3 Hours
Candidates are required to give their answers in their own words as far as practicable.
Figures in the margin indicate ful marks.

http://jac.nic.in/model_questions.htm
http://jac.nic.in/pdf/model_question...Set-I12_08.pdf

Answer all questions.
1. Analyse qualitatively the salt mixture supplied and report two acids and two basic radicals present. 8
2. Detect the functional group present in organic compound supplied. 4
3. Determine the equivalent mass and molality of the given solution of KMnO4.
(Standard solution of Oxalic acid is supplied)
4. Project. 4
5. Class record and viva. 4

COMPUTER SCIENCE
(Practical)
Full Marks - 30
Pass Marks - 10
Time - 3 Hours
Candidates are required to give their answers in their own words as far as practicable.
Figures in the margin indicate ful marks.
All questions are compulsory.

http://jac.nic.in/pdf/model_question...ience12_08.pdf

1. Write a program in C++ for any one of the folowing : 10
(i) To find the GCD of two numbers.
2. Write SQL Statement / Output using the folowing table named Lib : 5
(a) Display all books sorted by price in ascending order.
(b) Count number of books published by PHI.
(c) Insert a new book in table. Fill all columns.
(d) Write output of SQL with values :
(i) Select MIN (Price) from Lib where
(i) Select AVG (Price) from Lib where
3. Practical File. 5
4. Project Report. 8
5. Viva. 2

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