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    • Posted by Shiva Das 8 years ago

    CBSE > Class 12 > Chemistry
    • 0 answers
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    • Posted by Maitreyee Kulkarni 8 years ago

    CBSE > Class 12 > Chemistry
    • 0 answers
    ANSWER

    • Posted by Neha Neha 8 years ago

    CBSE > Class 12 > Chemistry
    • 1 answers

    Abhishek.S. Nair 6 years, 1 month ago

    Sp3d2

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    • Posted by Ankit Kaushal 8 years ago

    CBSE > Class 12 > Chemistry
    • 0 answers
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    • Posted by Ayush Mandal 8 years ago

    CBSE > Class 12 > Chemistry
    • 2 answers

    Ayush Mandal 8 years ago

    Ok.. Thanks... Sir.. Yes i will do it definitely...

    0Thank You

    Summi Farheen 8 years ago

    2nd preboard is allowed but for finals you must perform get good marks in 2nd preboard

    2Thank You

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    • Posted by Kamlesh Sahu 8 years ago

    CBSE > Class 12 > Chemistry
    • 0 answers
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    • Posted by Rahul Kumar 8 years ago

    CBSE > Class 12 > Chemistry
    • 1 answers

    Summi Farheen 8 years ago

    Its an empirical relationship b/w extent of adsorption and pressure at constant temperature

    1Thank You

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    • Posted by Rahul Khatri 8 years ago

    CBSE > Class 12 > Chemistry
    • 3 answers

    Preeti Kranti 8 years ago

    Over the years it undergoes heating at day and cooling during night i.e. annealing and becomes crystalline at certain temperature.

    1Thank You

    Priyanka Bohra 8 years ago

    Because glass is an amorphous solid

    1Thank You

    Rishu Yadav 8 years ago

    Due to crystallisation

    1Thank You

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    • Posted by Dinesh Kumar 8 years ago

    CBSE > Class 12 > Chemistry
    • 0 answers
    ANSWER

    • Posted by Yash Soni 8 years ago

    CBSE > Class 12 > Chemistry
    • 0 answers
    ANSWER

    • Posted by Rosan Singh 8 years ago

    CBSE > Class 12 > Chemistry
    • 0 answers
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    • Posted by Himanshu Goyal 8 years ago

    CBSE > Class 12 > Chemistry
    • 2 answers

    Preeti Kranti 8 years ago

    Azeotropes or constant boiling mixture:Non ideal solutions which boil at constant temperature and whose composition remains the same in liquid as well as vapour phase

    0Thank You

    Yash Soni 8 years ago

    Which show same vapour pressure in liquid as well as in vapour phase.(at a particular concentration)

    2Thank You

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    • Posted by Kritika Pandey 8 years ago

    CBSE > Class 12 > Chemistry
    • 0 answers
    ANSWER

    • Posted by The Godfather 8 years ago

    CBSE > Class 12 > Chemistry
    • 2 answers

    Priyanka Bohra 8 years ago

    Synthetic rubber

    1Thank You

    Rohit Bisht 8 years ago

    Buna s is a synthetic rubber and synthetic rubber is a synthetic polymer

    1Thank You

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    • Posted by The Godfather 8 years ago

    CBSE > Class 12 > Chemistry
    • 0 answers
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    • Posted by The Godfather 8 years ago

    CBSE > Class 12 > Chemistry
    • 0 answers
    ANSWER

    • Posted by The Godfather 8 years ago

    CBSE > Class 12 > Chemistry
    • 1 answers

    Rohit Bisht 8 years ago

    Act as catalyst

    2Thank You

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    • Posted by The Godfather 8 years ago

    CBSE > Class 12 > Chemistry
    • 0 answers
    ANSWER

    • Posted by The Godfather 8 years ago

    CBSE > Class 12 > Chemistry
    • 0 answers
    ANSWER

    • Posted by Riya Garg 8 years ago

    CBSE > Class 12 > Chemistry
    • 1 answers

    Rohit Bisht 8 years ago

    DP- water DM-oil

    2Thank You

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    • Posted by Mukesh Danu 8 years ago

    CBSE > Class 12 > Chemistry
    • 0 answers
    ANSWER

    • Posted by Devkant Rai 8 years ago

    CBSE > Class 12 > Chemistry
    • 1 answers

    Rohan Saini 8 years ago

    The substance which prevent the formation of one type of froth of sulphide ore. e.g. NaCN prevent the formation of ZnS ore by forming complex.

    1Thank You

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    • Posted by Abhas Singh 8 years ago

    CBSE > Class 12 > Chemistry
    • 0 answers
    ANSWER

    • Posted by Abhas Singh 8 years ago

    CBSE > Class 12 > Chemistry
    • 0 answers
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    • Posted by Rohit Bisht 8 years ago

    CBSE > Class 12 > Chemistry
    • 1 answers

    Rohit Bisht 8 years ago

    No one knows

    0Thank You

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    • Posted by Isha Mishra 8 years ago

    CBSE > Class 12 > Chemistry
    • 1 answers

    Irfan Aadil 8 years ago

    A dimer is an oligomer consisting of two structurally similar monomers joined by bonds that can be either strong or weak, covalent or intermolecular

    1Thank You

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    • Posted by Saumya Tripathi 8 years ago

    CBSE > Class 12 > Chemistry
    • 3 answers

    Poorav Gill 8 years ago

    I think my answer is in proper way

    0Thank You

    Rajat Raguvanshi 8 years ago

    We know that benzene is negative and electrophill is + ve and need - ve so when resonance is there on benzene ring then more -ve charge is formed at Ortho and para position and not on meta so it's the reason. It's not accurate to write in exams but it's just to understand properly.

    0Thank You

    Irfan Aadil 8 years ago

    Explain please

    2Thank You

    ANSWER

    • Posted by Luksh Kumar 8 years ago

    CBSE > Class 12 > Chemistry
    • 2 answers

    Rohit Bisht 8 years ago

    I have answered it in the above question

    1Thank You

    Rohit Bisht 8 years ago

    Br-CH2-CH=CH-CH2-Br

    2Thank You

    ANSWER

    • Posted by Aman Jaiswal 8 years ago

    CBSE > Class 12 > Chemistry
    • 1 answers

    Poorav Gill 8 years ago

    Sn2 is single step rxn and sn1 is 2 step rxn In sn2 we see steric hindrance In sn1 we see stability of carbonation In sn2 order = 1 degree ,2 degree ,3degree In sn1 order =3 degree ,2 degree, 1degree As we saw that their order are opposite of each other but it is not always true We also have to see the grp that is attached with them in sn2 if +I electron releasing grp attached with them than speed of rxn increase

    2Thank You

    ANSWER

    • Posted by Ritik Singh 8 years ago

    CBSE > Class 12 > Chemistry
    • 1 answers

    Shivam Rathore 8 years ago

    The metal atom in metal carbonyls is in low oxidation state. This is because if the fact that there is a higher electronic density (electronic charge) on the metal atom in its lower oxidation state than in its higher oxidaton state.

    3Thank You

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