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    • Posted by Ajay Yadav 8 years, 4 months ago

    CBSE > Class 12 > Chemistry
    • 1 answers

    Sneha Bharti 8 years, 4 months ago

    In chemistry a coordination complex consists of a central atom or ion which is usually metallic and is called the coordination centre and a surrounding array of bound molecules or ions that are in turn know as ligands or complexing agent.

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    • Posted by Aastha Patar 8 years, 4 months ago

    CBSE > Class 12 > Chemistry
    • 4 answers

    Ramesh Kumar 8 years, 4 months ago

    X rays is the way to treatment of cancer

    0Thank You

    Mohd Shoaib 8 years, 4 months ago

    Cisplatin

    0Thank You

    Gayatri Sethiya 8 years, 4 months ago

    Noble gases and radio active element.

    0Thank You

    Raj Kumar 8 years, 4 months ago

    Cisplatinis achemotherapy medicationused to treat a number ofcancers

    0Thank You

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    • Posted by Aastha Patar 8 years, 4 months ago

    CBSE > Class 12 > Chemistry
    • 1 answers

    Rishita Benjwal 8 years, 4 months ago

    Alpha interferon are used which activate the immune system and help in destroying the tumour

    0Thank You

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    • Posted by Palash Ashok 8 years, 4 months ago

    CBSE > Class 12 > Chemistry
    • 1 answers

    Luksh Kumar 8 years, 4 months ago

    EC is the study of production of electricity from energy released during spontaneous chemical reaction and the use of electrical energy to bring about non- spontaneous chemical transformations.

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    • Posted by Sachin Kumar 8 years, 4 months ago

    CBSE > Class 12 > Chemistry
    • 3 answers

    Ramesh Kumar 8 years, 4 months ago

    F

    0Thank You

    Mohd Shoaib 8 years, 4 months ago

    Fluorine

    0Thank You

    Varun Banda 8 years, 4 months ago

    Fluorine is at the topmost, rightmost point, and is the most electronegative. Pauling Scale is used to measure the electronegativities of different elements.

    3Thank You

    ANSWER

    • Posted by Aman Tiwari Timing 8 years, 4 months ago

    CBSE > Class 12 > Chemistry
    • 1 answers

    Rida Khan 8 years, 4 months ago

    Solids are rigid as they have dense packing of molecules inside them and there is very less space between the molecules of solid.

    1Thank You

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    • Posted by Arghya Gorai 8 years, 4 months ago

    CBSE > Class 12 > Chemistry
    • 0 answers
    ANSWER

    • Posted by Rohit Maurya 8 years, 4 months ago

    CBSE > Class 12 > Chemistry
    • 1 answers

    Amar Kumar 8 years, 4 months ago

    A catalytic reaction which depends upon the pore structure of the catalyst and on the size of the reactant and the product molecules is called shape-selective catalysis. For example, catalysis by zeolites is a shape-selective catalysis.

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    • Posted by Kajal Bhardwaj 8 years, 4 months ago

    CBSE > Class 12 > Chemistry
    • 2 answers

    Mohd Shoaib 8 years, 4 months ago

    Lyophilloc

    1Thank You

    Furqan Nasir Bhat 8 years, 4 months ago

    Lyophillic

    6Thank You

    ANSWER

    • Posted by Rahul Kumar 8 years, 4 months ago

    CBSE > Class 12 > Chemistry
    • 2 answers

    Ramesh Kumar 8 years, 4 months ago

    Because their is no space present between the particles of solid so it is rigid

    0Thank You

    Amar Kumar 8 years, 4 months ago

    Solids are rigid and definite shape because the intermolecular forces of attraction that are present in solids are very strong. The constituent particles of solids cannot move from their positions they can only vibrate from their mean positive.

    1Thank You

    ANSWER

    • Posted by Harsh Tyagi 8 years, 4 months ago

    CBSE > Class 12 > Chemistry
    • 1 answers

    Amar Kumar 8 years, 4 months ago

    Polyethylene is an organic polymer made of several monomer subunits, and it is one popular compound.Polyethylene is composed of several monomers called ethylene molecules. It is a thermoplastic polymer.

    1Thank You

    ANSWER

    • Posted by Divesh Agrawal 8 years, 4 months ago

    CBSE > Class 12 > Chemistry
    • 0 answers
    ANSWER

    • Posted by Vinit Mudga 8 years, 4 months ago

    CBSE > Class 12 > Chemistry
    • 0 answers
    ANSWER

    • Posted by Abhishek Chauhan 8 years, 4 months ago

    CBSE > Class 12 > Chemistry
    • 1 answers

    Jyotsna Pandey 8 years, 4 months ago

    Impurities are more soluble in molten state

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    ANSWER

    • Posted by Abhishek Chauhan 8 years, 4 months ago

    CBSE > Class 12 > Chemistry
    • 1 answers

    Jyotsna Pandey 8 years, 4 months ago

    First look at the number of of oxygen atom in reactant side it's 2 and in product side it is one .. that means u have to do reduction

    0Thank You

    ANSWER

    • Posted by Anuradha Gupta 8 years, 4 months ago

    CBSE > Class 12 > Chemistry
    • 0 answers
    ANSWER

    • Posted by Luksh Kumar 8 years, 4 months ago

    CBSE > Class 12 > Chemistry
    • 0 answers
    ANSWER

    • Posted by Kamal Thirpola 8 years, 4 months ago

    CBSE > Class 12 > Chemistry
    • 0 answers
    ANSWER

    • Posted by Richa Raj 8 years, 4 months ago

    CBSE > Class 12 > Chemistry
    • 1 answers

    Soumya Sakshi 8 years, 4 months ago

    Lewis concept & also Arrhenius concept

    1Thank You

    ANSWER

    • Posted by Rohan Jamatia 8 years, 4 months ago

    CBSE > Class 12 > Chemistry
    • 0 answers
    ANSWER

    • Posted by Rohan Jamatia 8 years, 4 months ago

    CBSE > Class 12 > Chemistry
    • 2 answers

    Aniket Yadav 6 years, 2 months ago

    Treatment of toluene by KMnO4 and then with NaNO2

    0Thank You

    Richa Raj 8 years, 4 months ago

    Treatment of toluene with KMnO4 followed with hydrolysis gives benzoic acid which upon heating with conc NaNO2 nd conc H2SO4 gives m nitro toluene

    3Thank You

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    • Posted by Rohan Jamatia 8 years, 4 months ago

    CBSE > Class 12 > Chemistry
    • 0 answers
    ANSWER

    • Posted by Yogesh Papnai 8 years, 4 months ago

    CBSE > Class 12 > Chemistry
    • 0 answers
    ANSWER

    • Posted by Yogesh Papnai 8 years, 4 months ago

    CBSE > Class 12 > Chemistry
    • 0 answers
    ANSWER

    • Posted by Harshit Goswami 8 years, 4 months ago

    CBSE > Class 12 > Chemistry
    • 1 answers

    Soumya Sakshi 8 years, 4 months ago

    When chelate ligand binds with the metal ion it leads to the formation of ring like structure which provides stability to the complex compound and this phenomenon is called chelate effect.

    1Thank You

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    • Posted by Piyush Bhatt 8 years, 4 months ago

    CBSE > Class 12 > Chemistry
    • 1 answers

    Yogesh Papnai 8 years, 4 months ago

    But rating it it with Platinum in hydrogen

    2Thank You

    ANSWER

    • Posted by Akshaya Nair 8 years, 4 months ago

    CBSE > Class 12 > Chemistry
    • 1 answers

    Yogesh Papnai 8 years, 4 months ago

    Decreases activation energy

    1Thank You

    ANSWER

    • Posted by J Ranjan Parida 8 years, 4 months ago

    CBSE > Class 12 > Chemistry
    • 0 answers
    ANSWER

    • Posted by Divya Kumari 8 years, 4 months ago

    CBSE > Class 12 > Chemistry
    • 2 answers

    Jyotsna Pandey 8 years, 4 months ago

    NCERT is enough but .. first go through your previous years question papers of competitive exams you will get to know there are some topics which you have to study in deep . Keep your focus on NCERT but I will suggest you target publication books they are good and precise for reference .

    0Thank You

    Anuj Sharma 8 years, 4 months ago

    If NCERT is on your tips then u don't need any other books even for competitive exams

    1Thank You

    ANSWER

    • Posted by Gaurav Sahu 8 years, 4 months ago

    CBSE > Class 12 > Chemistry
    • 1 answers

    Saloni Khatavkar 8 years, 4 months ago

    In organic compounds more the e withdrawing group, more is the acidity & more the e releasing group, more the basisity.

    2Thank You

    ANSWER

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