यामध्ये आपण Evaluation Scheme of Practical Examination in chemistry मध्ये First Termed Practical Examination Pattern पाहणार आहोत आणि त्यानंतर Annual Practical Examination Pattern पाहणार आहोत.
• Evaluation Scheme of Practical Examination in chemistry
★ First Termed Practical Examination :-
→ Time : 2 Hours
→ Marks : 20
→ Passing Marks : 07
A) Any one long experiment (1 hour 30 minutes). (10 Marks)
i) Conduction of experiment
(3 Marks)
ii) Observations
(4 Marks)
iii) Calculations
(2 Marks)
iv) Result with proper unit
(1 Mark)
B) Any one Activity (30 minutes)
(5 Marks)
i) Conduction of activity
(1 Mark)
ii) Observation
(3 Marks)
iii) Conclusion/Result
(1 Mark)
C) Viva/oral based upon experiment/activity performed during examination (viva / oral should be taken while experiments / activities are being performed)
(5 Marks)
★ Annual Practical Examination :-
→ Time : 3 Hours
→ Total Marks : 30
→ Passing Marks : 11
A) One long experiment Quantitative analysis (1 hour 30 minutes)
(10 Marks)
i) Conduction of experiment
(3 Marks)
ii) Observations
(4 Marks)
iii) Calculation
(2 Marks)
iv) Result with proper unit
(1 Mark)
-----------------------------OR--------------------------------
B) Long experiment : Qualitative Analysis (1 hour 30 minutes)
i) Preliminary Tests
(1 Mark)
ii) Dry tests of basic radical and acidic radical
(2 Marks)
iii) Detection of group of basic radical
(1 Mark)
iv) Detection of basic radical and confirmatory test
(2 Marks)
v) Detection of acidic radical and confirmatory test
(2 Marks)
vi) Result (Basic radical and acidic radical with proper oxidation state, correct molecular formula and name of the salt)
(2 Marks)
C) One Short experiment (45 minutes)
(5 Marks)
i) Conduction of experiment
(1 Mark)
ii) Observations
(3 Marks)
iii) Calculation/conclusion/Result
(1 Mark)
D) Any one Activity (35 minutes)
(5 Marks)
i) Conduction of activity
(1 Mark)
ii) Observation
(3 Marks)
iii) Result/conclusion
(1 Mark)
E) Viva based on experiments/activity performed during examination (10 minutes)
(5 Marks)
F) Certified laboratory Journal
(Note : Minimum 15 experiments and 5 Activities should be performed during the year)
(5 Marks)
तर अशा प्रकारे इयत्ता अकरावी Chemistry board practical exam pattern होता.
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