www.gbshse.gov.in Goa Board Of Secondary And Higher Secondary Education : Class XII Chemistry Question Paper Design
Board : Goa Board Of Secondary & Higher Secondary Education
Subject : HSSC Chemistry Practical
Document type : Model Question Paper
Website : gbshse.gov.in
Download Sample/Model Question Papers :
https://www.pdfquestion.in/uploads/5878-chemPractpap.pdf
HSSC Chemistry Practical Question Paper :
Goa Board of Secondary & Higher Secondary Education
Alto, Betim – Goa
HSSC Practical Examination
Time: 3 Hours
Related : Goa Board Of Secondary & Higher Secondary Education GBSHSE 11th Standard English Question Paper Model : www.pdfquestion.in/5875.html
Session : Morning/Afternoon
Max. Marks: 25
1) On your answer books write your Examination Seat number and your Laboratory table number.
2) Get the burette reading and confirmatory tests initialed by one of the Examiners.
3) Check if the number on (i) your table (ii) answer script and (iii) the containers A, B, C, D and F are the same. If not, report immediately to the Examiners.
4) Use of non – programmable calculator is allowed.
Atomic Masses :- H=1, C=12, N=14, O=16, S=32, K=39, Mn=55, Fe= 56.
SECTION – I
Q.1. You are provided with two solutions as follows :-
Container A :___________N/M stock solution of hydrated Oxalic acid /
Mohr’s salt. Container B : KMnO4 Solution
Using the stock solution from Container A, prepare 100 mL of
_____N/M hydrated Oxalic acid /Mohr’s salt in the given
Standard Measuring flask C. Using the solution prepared in flask C, determine N/M of the solution in container B. Also calculate.
– The strength of the solution in container B in terms of grams per ______mL.
– The percentage purity of the solution in container B, _______ g of which have been dissolved per ______mL. (7 Marks)
Q.2. Determine the functional group of the organic compound supplied to
you in Container F bearing your table number. Give a complete report
of all the tests performed. (2 Marks)
Q.3. Journal + Viva (2+2 Marks)
SECTION – II
Q.4. Analyse the inorganic salt given in container D bearing your table
number qualitatively and detect the cation and anion present. Give a
complete report of all the tests performed. Write the formula of the
Compound detected. (8 Marks)
Q.5. Project + Viva (2+2 Marks)
First Terminal Practical Examination Model Question Paper
Duration: 2 Hours
Session:
Max. Marks: 20
Instructions:
1) Write your Examination Seat number and laboratory table number on your answer book and question paper.
2) Get the burette reading and confirmatory tests initialed by the examiner.
3) Check if the number on (i) your table (ii) answer script and (iii) the containers A, B, and E/F are the same. If not, report immediately to the examiner.
4) Use of non – programmable calculator is allowed. Atomic Masses:- H=1, C=12, N=14, O=16, Na =23, S=32, K=39.
Q.1. You are provided with two solutions as follows:-
Container A:___________N/M solution of _________________.
Container B: ________________ Solution
Using the above solutions, determine N/M of the solution in container B and
calculate the strength of the solution in container B in terms of g per______mL. Also
Convert the N/M of solution B to M/N.
(14Marks)
Q.2. Identify the natural organic substance supplied to you in Container E/F bearing your table number. (2 Marks)
Q.3. Journal + Viva (2+2 Marks
1) Write your Examination Seat number and laboratory table number on your answer book and question paper.
2) Get the burette reading and confirmatory tests initialed by the examiner.
3) Check if the number on (i) your table (ii) answer script and (iii) the containers A, B, and D are the same. If not, report immediately to the examiner.
4) Use of non – programmable calculator is allowed.
Q1.The compound which has neither 20 nor 30 carbon atom/s is ——— .
(1)
Isobutene
Pentane
Isopentane
Neopentane
From the following——– correctly represents 180g of H2O. (1)
i) 5 moles of H2O
ii) 6.023 X 1023 molecules of H2O
iii) 10 moles of H2O iv) 6.023 X 1024 molecules of H2O
(i)and(iii)
(ii)and(iii)
(ii)and(iv)
(i)and(iv)
For the elements O ,C, F, CI and Br the correct order of their increasing radii is —— .
(1)
F, O,C ,CI, Br
F, C, O, CI, Br
F, CI, Br, O,C
C, O ,F, CI, Br
The number of neutrons in deuterium is ——- . (1)
0
1
2
3
Q5.Write the group number, period and block of the element with atomic number 40