नमस्कार मित्रांनो या ब्लॉग Page वर तुम्हाला इयत्ता अकरावी Chemistry या विषयाचे Practical Book Solutions Available करून दिलेले आहेत. ते खालीप्रमाणे आहेत :-
★ Chemistry :
• Introduction to chemistry laboratory :-
1) Introduction to apparatus used in chemistry laboratory
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• Basic chemistry Laboratory techniques :-
2) Study of burner, operating pinch cock/stopcock and handling of concentrated acid containers
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• Qualitative Analysis :-
3) To determine concentration in terms of molarity of NaoH by titrating it against (0.05M) standard solution of oxalic acid
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4) To determine concentration in terms of molarity of HCl by titrating it against (0.05M) standard solution of sodium carbonate
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• Qualitative Analysis (Long experiment) :-
5) The given inorganic salt no.1 contains i) Basic radical ii) Acidic radical iii) Formula of the salt
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6) The given inorganic salt no.2 contains i) Basic radical ii) Acidic radical iii) Formula of the salt
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7) The given inorganic salt no.3 contains i) Basic radical ii) Acidic radical iii) Formula of the salt
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8) The given inorganic salt no.4 contains i) Basic radical ii) Acidic radical iii) Formula of the salt
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9) The given inorganic salt no.5 contains i) Basic radical ii) Acidic radical iii) Formula of the salt
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• Surface Chemistry (Short experiment) :-
10) To prepare colloidal solutions of starch
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11) To prepare colloidal solutions of ferric hydroxide [Fe(OH)3]
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12) Study of role of emulsifying agent in stabilizing the emulsion of an oil
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• Chemical Equilibrium (Short Experiment)
13) Study the shift in equilibrium position between ferric ions and thiocyanate ions by increasing the concentration of either of the ions
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14) Study the shift in equilibrium position between [Co(H2O6)]²+ ions and chloride ions by increasing the concentration of either of the ions
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• Experiment based on pH change (Short Experiment)
15) Study of the pH change in the titration of strong base (0.1M NaOH) and strong acid (0.1M HCl) using universal indicator
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16) Determination of the pH and nature of solution of some salts using pH paper or universal indicator. (NH4Cl, Na2CO3, CH3COONa, NaCl, unknown salt)
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• Characterization and purification of chemical substances
17) Determination of melting point of given organic solid
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18) Determination of boiling point of given organic solid
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19) Crystallisation of an impure sample of copper sulfate or benzoic acid
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• List of Activities
1) Preparation of 100mL of 0.1M standard oxalic acid solution
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2) Determination of pH of different fruits juices by using pH paper or universal indicator
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3) Calibration of pipette by burette
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4) To obtain pure water from impure water containing ink by simple distillation method
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5) Checking the adulteration in given food material
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• Question Paper Pattern/Formate
6) To determine pH of HCl solutions of various concentrations by using pH paper or universal indicator
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7) To determine pH of NaOH solutions of various concentrations by using pH paper or universal indicator
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• Question Paper Pattern/Formate
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अशा प्रकारे इयत्ता अकरावी Chemistry चे Practicals आणि Activities आहेत. Solutions YouTube वर पाहण्यासाठी "YouTube" या वर क्लिक करा किंवा "View Post" यावर क्लिक करून आपल्या ब्लॉग वर देखील पाहू शकता.
