नमस्कार मित्रांनो या ब्लॉग Page वर तुम्हाला इयत्ता बारावी Chemistry या विषयाचे Practical Book Solutions Available करून दिलेले आहेत. ते खालीप्रमाणे आहेत :-
★ Chemistry :
• Qualitative estimation (Long experiment) :
1) To determine the concentration in terms of molarity of KMnO4 by titrating it against (0.1 M) standard solution of oxalic acid
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2) To determine the concentration in terms of molarity of KMnO4 by titrating it against (0.1 M) standard solution of ferrous ammonium sulphate
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• Chemical Kinetics (Long experiment) :
3) To study the effect of concentration on rate of reaction between Na2S2O3 and HCl
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4) To study the effect of temperature on rate of reaction between Na2S2O3 and HCl
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5) To study the rate of reaction between KIO3 and Na2S2O3 using starch as an indicator
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• Electrochemistry :
6) Study of variation of cell potential of cell Zn| Zn²+||Cu²+|Cu with change in concentration of electrolyte CuSO4 and ZnSO4 at room temperature
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• Thermochemistry (Short experiment) :
7) To determine enthalpy of dissolution of CuSO4.5H2O in water at room temperature
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8) To determine enthalpy of neutralization of HCl and NaOH
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9) To determine enthalpy change of displacement of Cu from CuSO4 by Zn
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10) To determine enthalpy change during the interaction between acetone and chloroform
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• Inorganic preparation (Short experiment) :
11) To prepare pure sample of ferrous ammonium sulphate
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12) To prepare a pure sample of potash alum
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13) To prepare a pure sample of potassium trioxalatoferrate (III) complex
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• Organic preparation (Short experiment) :
14) To prepare dibenzalacetone
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15) To prepare 2-naphthol aniline dye
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16) To prepare acetanilide from acetyl chloride
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17) To prepare p-nitro acetanilide from acetanilide
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• Identification of functional group :
18) Test for functional group present in given organic compound
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19) Characteristics tests of carbohydrate, proteins, fats and oils
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• Qualitative Analysis for two Acidic radicals :
20) The given inorganic salt mixture no.1 contains following two Acidic radicals
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21) The given inorganic salt mixture no.2 contains following two Acidic radicals
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22) The given inorganic salt mixture no.3 contains following two Acidic radicals
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• Qualitative Analysis for two basic radicals :
23) The given inorganic salt mixture no.1 contains following two basic radicals
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24) The given inorganic salt mixture no.2 contains following two basic radicals
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25) The given inorganic salt mixture no.3 contains following two basic radicals
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• List of Activities :
1) Preparation of phthalic anhydride from phthalic acid
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2) Preparation of succinic anhydride from succinic acid
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3) Preparation of methyl salicylate
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4) Measurement of e.m.f. of commercial cells by using voltmeter
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5) Identification of Resin identification code (RIC) on given different plastic materials
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6) Preparation of 100mL 0.1M standard solution of ferrous ammonium sulphate. (Mohr's salt)
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• Question Paper Pattern/Formate
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अशा प्रकारे इयत्ता बारावी 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.
