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    • Posted by Vishwajeet Singh 7 years, 3 months ago

    CBSE > Class 09 > Science
    • 2 answers

    Vishwajeet Singh 7 years, 3 months ago

    It is wrong answer

    1Thank You

    Goldi Mittal Goldi Mittal 7 years, 3 months ago

    The limitations of j.j thomsons model is there is a positive circle at centre and electrons of negative charge embedded on it

    2Thank You

    ANSWER

    • Posted by Hritik Chaurasiya 7 years, 3 months ago

    CBSE > Class 09 > Science
    • 0 answers
    ANSWER

    • Posted by Arya Magade 7 years, 3 months ago

    CBSE > Class 09 > Science
    • 0 answers
    ANSWER

    • Posted by Arya Magade 4 years, 9 months ago

    CBSE > Class 09 > Science
    • 1 answers

    Sia ? 4 years, 9 months ago

    Crop rotation means growing of different crops throughout the year in succession on a piece of land at a certain point of time.
    Intercropping means that only one crop will be grown throughout the year.
    Mixed cropping is growing two or more crops together on the same field.

    0Thank You

    ANSWER

    • Posted by Priyambada Lenka 7 years, 3 months ago

    CBSE > Class 09 > Science
    • 0 answers
    ANSWER

    • Posted by Priyambada Lenka 7 years, 3 months ago

    CBSE > Class 09 > Science
    • 0 answers
    ANSWER

    • Posted by Aswinikumar Patra 7 years, 3 months ago

    CBSE > Class 09 > Science
    • 0 answers
    ANSWER

    • Posted by Priyambada Lenka 7 years, 3 months ago

    CBSE > Class 09 > Science
    • 5 answers

    Shreya Roy 7 years, 3 months ago

    Al is 52.92 and O is 47.075

    2Thank You

    Shreya Roy 7 years, 3 months ago

    Yess...I was wrong ....as I hadn't done the multiplication with 100.... Ty for correcting me..

    2Thank You

    Abhinav Soni 7 years, 3 months ago

    Yes I m sure for my answer because it contains aluminium (Al) that has mass percent 52.925 and oxygen (O) that has mass percent 47.075

    2Thank You

    Shreya Roy 7 years, 3 months ago

    Abhinav Soni are u sure for ur answer because I think it will be 0.47...

    2Thank You

    Abhinav Soni 7 years, 3 months ago

    I think it is 47.075 in al2o3

    3Thank You

    ANSWER

    • Posted by Aswinikumar Patra 7 years, 3 months ago

    CBSE > Class 09 > Science
    • 2 answers

    Shreya Roy 7 years, 3 months ago

    1000joule

    2Thank You

    Harsh Gupta 7 years, 3 months ago

    m=20kg v=10m/s KE=1/2mv*v 1/2*20*10*10=1000joule

    1Thank You

    ANSWER

    • Posted by Gauri Kaushal 7 years, 3 months ago

    CBSE > Class 09 > Science
    • 1 answers

    Abhinav Soni 7 years, 3 months ago

    Any disease transmitted from one person or animal to another and it is also called contagious disease

    2Thank You

    ANSWER

    • Posted by Bhuwaneshwar Rawani 7 years, 3 months ago

    CBSE > Class 09 > Science
    • 3 answers

    Aanchal Jaiswal 7 years, 3 months ago

    17 grams ammonia gas produce from 7 grams of nitrogen..

    0Thank You

    Usjs Bsbsb 7 years, 3 months ago

    Chupa laga land ke

    0Thank You

    Bhuwaneshwar Rawani 7 years, 3 months ago

    Bolo

    0Thank You

    ANSWER

    • Posted by Bhawna Gupta 7 years, 3 months ago

    CBSE > Class 09 > Science
    • 7 answers

    Abhinav Soni 7 years, 3 months ago

    Yes I also don't want to think about him !!!

    1Thank You

    Aanchal Jaiswal 7 years, 3 months ago

    OK leave this istupit

    1Thank You

    Abhinav Soni 7 years, 3 months ago

    Yeah...

    1Thank You

    Aanchal Jaiswal 7 years, 3 months ago

    You kan't no abhinav OK because here has no information about this istupit

    1Thank You

    Abhinav Soni 7 years, 3 months ago

    Don't know #AanchalJaiswal

    1Thank You

    Aanchal Jaiswal 7 years, 3 months ago

    Friends ye istupit usjs bsbsb koan hai Kitna ghanda hai ye noncenss..

    2Thank You

    Abhinav Soni 7 years, 3 months ago

    It is better to prevent disease rather than to try to find cures for diseases after they occur.

    4Thank You

    ANSWER

    • Posted by Aanchal Jaiswal 7 years, 3 months ago

    CBSE > Class 09 > Science
    • 2 answers

    Aanchal Jaiswal 7 years, 3 months ago

    Tnx abhinav

    1Thank You

    Abhinav Soni 7 years, 3 months ago

    A meristem is the tissue in most plants containing undifferentiated cells (meristematic cells), found in zones of the plant where growth can take place. Meristematic cells give rise to various organs of a plant and are responsible for growth.

    1Thank You

    ANSWER

    • Posted by Aanchal Jaiswal 7 years, 3 months ago

    CBSE > Class 09 > Science
    • 1 answers

    Arya Magade 7 years, 3 months ago

    A weedicide destroys the weeds in any farm. It is generally used by farmers so that their crops grow well without any deficiency of nutrients and can grow well without any competition with the weeds for their nutrients

    1Thank You

    ANSWER

    • Posted by Manjunath Naik 7 years, 3 months ago

    CBSE > Class 09 > Science
    • 0 answers
    ANSWER

    • Posted by Ayush Middha 7 years, 3 months ago

    CBSE > Class 09 > Science
    • 2 answers

    Arya Magade 7 years, 3 months ago

    Issac Newton, Gallileo Galili and Albert Einstein are the fathers of modern Physics

    0Thank You

    Nandini Sharma❤️ 7 years, 3 months ago

    Newton, Galileo and Einstein are known as 'Fathers of Modern Physics'

    2Thank You

    ANSWER

    • Posted by Priyambada Lenka 7 years, 3 months ago

    CBSE > Class 09 > Science
    • 1 answers

    Yogita Ingle 7 years, 3 months ago

    1 mole of hydrogen atoms represents 6.022 × 1023 hydrogen atoms.
    1 mole of hydrogen molecules represents 6.022 × 1023 hydrogen molecules.
    1 mole of water molecules represents 6.022 × 1023 water molecules.

    2Thank You

    ANSWER

    • Posted by Sangita Ankita 7 years, 3 months ago

    CBSE > Class 09 > Science
    • 3 answers

    Rupinder Kaur 7 years, 3 months ago

    Canal rays are also called protons and they are positively charge radiations

    1Thank You

    Rishi Singh 7 years, 3 months ago

    In simple language the rays which travels against cathode through anode are canal rays.

    2Thank You

    Yogita Ingle 7 years, 3 months ago

    The beam of rays which travel in a direction away from anode towards cathode when a gas taken in a discharge tube is subjected to the action of high voltage under low pressure are known as canal rays. It is also called anode rays. It was discovered by E. Goldstein in 1886.

    0Thank You

    ANSWER

    • Posted by Parampreet Kaur 7 years, 3 months ago

    CBSE > Class 09 > Science
    • 1 answers

    Aanchal Jaiswal 7 years, 3 months ago

    Mole concept :- mole concept is carried out for calculation of particles ( atoms, molecules, ions) present in molecules.

    1Thank You

    ANSWER

    • Posted by Rounak Singh Rajput 7 years, 3 months ago

    CBSE > Class 09 > Science
    • 2 answers

    Rupinder Kaur 7 years, 3 months ago

    This is not a fun or something like funny

    0Thank You

    Aanchal Jaiswal 7 years, 3 months ago

    Hlw but here not only say hiii ok

    0Thank You

    ANSWER

    • Posted by Shital Thakur 7 years, 3 months ago

    CBSE > Class 09 > Science
    • 1 answers

    Yogita Ingle 7 years, 3 months ago

    DNA is a long, double helix structure that resembles a ladder which is twisted at both the ends. The DNA molecule is composed of basic materials called nucleotides and each nucleotide is composed of three different components such as sugar, phosphate groups, and nitrogen bases.

    0Thank You

    ANSWER

    • Posted by Shital Thakur 7 years, 3 months ago

    CBSE > Class 09 > Science
    • 3 answers

    Suraj Maurya 7 years, 3 months ago

    when two bodies acts upon another body then the first body is equal amount of force on another body is called newton third law and also called action and reaction force

    0Thank You

    Jasleen Kaur 7 years, 3 months ago

    Newton's third law of motion states that to every action there is an equal and opposite reaction, and these two act on two different bodies.

    0Thank You

    Palak ?? 7 years, 3 months ago

    Newton's third law says that to every action ...there is an equal and opposite reaction

    2Thank You

    ANSWER

    • Posted by Shashank Awasthi 7 years, 3 months ago

    CBSE > Class 09 > Science
    • 0 answers
    ANSWER

    • Posted by Neeraj Meena 7 years, 3 months ago

    CBSE > Class 09 > Science
    • 1 answers

    Yogita Ingle 7 years, 3 months ago

    Lignin is the chemical substance which is deposited in the walls of sclerenchyma tissue.
    They are dead cells,do not have protoplasm.Walls are greatly thickened with deposition of lignin(chemical substance which act as cement and hardens them).Cells are closed packed without intercellular spaces.

    0Thank You

    ANSWER

    • Posted by Shyam Madeshiya 7 years, 3 months ago

    CBSE > Class 09 > Science
    • 2 answers

    Parampreet Kaur 7 years, 3 months ago

    Atomic no. Is 4 and its name will be Beryllium

    1Thank You

    Palak ?? 7 years, 3 months ago

    4...as there are 2 electrons in K shell and 2 in L shell...

    1Thank You

    ANSWER

    • Posted by Harsha Poornoday Pavan Arigela 7 years, 3 months ago

    CBSE > Class 09 > Science
    • 2 answers

    Mayank Kumar 7 years, 3 months ago

    State law of reflection is : ¡ angle of incidence is equal to angle of reflection

    2Thank You

    Harshit Ahlawat 7 years, 3 months ago

    Angle of incidence is equal to angle of reflection. Incidence ray reflected ray and normal ray all lie on 1 plane

    0Thank You

    ANSWER

    • Posted by Yash Jadhav 7 years, 3 months ago

    CBSE > Class 09 > Science
    • 1 answers

    Palak ?? 7 years, 3 months ago

    There it means give a discription...

    2Thank You

    ANSWER

    • Posted by Kanuganti Divija 7 years, 3 months ago

    CBSE > Class 09 > Science
    • 1 answers

    Arya Magade 7 years, 3 months ago

    Pectin is a substance present in Collenchyma which gives it the ability to withstand the strong winds.It is present in the stem of the plant which gives it buoyancy

    1Thank You

    ANSWER

    • Posted by Anusha S R Anu 7 years, 3 months ago

    CBSE > Class 09 > Science
    • 1 answers

    Harshit Arora 7 years, 3 months ago

    Because of latent heat of fusion

    0Thank You

    ANSWER

    • Posted by Ritika Kulshrestha 7 years, 3 months ago

    CBSE > Class 09 > Science
    • 2 answers

    Rishabh 2909 7 years, 3 months ago

    Nucleus-present in Eukaryotic cell. Nucloid-present in prokaryotic cell

    2Thank You

    Dollsi Jain 7 years, 3 months ago

    nucleus is a well defined part inside a cell and it is bounded by nuclear membrane .it is present in all eukaryotic cells nucleoid is not well defined and the nuclear membrane is absent it is present in all prokaryotic cells

    1Thank You

    ANSWER

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