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UNITED BOOK HOUSE-TECHNO INDIA GROUP ACADEMIA,SOUTH KOLKATA QUESTION PAPER-EXERCISE
- Write the balance equations for reactions between water and potassium ...
01:42
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- How would you explain BaO is soluble but BaSO4 is insoluble is water.
03:10
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- Give chemical identity of plaster of paris.
02:58
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- What are electrophiles, nucleophiles and free radicals? Explain with e...
04:36
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- Express the equilibrium constant of the reaction in the forms of Kp an...
06:51
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- Express the equilibrium constant of the reaction in the forms of Kp an...
06:51
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- When 1 mole of ethyl alcohol and 1 mole of acetic acid arc heated in a...
08:20
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- The solubility of magnesium hydroxide in water is 8.35 xx 10^(-3) gm//...
02:25
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- Deduce the expression for the degree of ionization of a dilute aqueous...
06:10
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- Write the resonance structure of CO3^(2-) ion.
02:35
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- Explain what happens when boric acid (H3BO3) is heated?
02:42
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- What is carbogen and what its use?
03:38
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- Draw the structure of inorganic Benzene.
03:03
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- Explain why 1-butyne produces white precipitate with ammoniacal AgNO3 ...
02:07
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- Ozonolysis of an alkene A yields two moles of me,thanol and one mole o...
03:36
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- Write the geometrical isomer of but-2-ene and which have greater dipol...
03:34
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- Write the chemical reaction occurred at anode in Kolbe's electrolytic...
03:38
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- Identify the compounds A, B, C and D in the following transformation :...
02:28
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- Write structural formulas of A and B in the following two reactions....
03:01
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- Covert 'benzene → ethyl benzene.
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