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    • Posted by Tani Bhai 3 years, 4 months ago

    CBSE > Class 09 > Science
    • 0 answers
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    • Posted by Ishika Sumit Agrawal 3 years, 4 months ago

    CBSE > Class 09 > Science
    • 1 answers

    Albin Rai 3 years, 4 months ago

    What is the cell

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    • Posted by Vanshika Rana 3 years, 4 months ago

    CBSE > Class 09 > Science
    • 1 answers

    Ansh Kumar 3 years, 4 months ago

    What is diffusion

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    • Posted by Vanshika Rana 3 years, 4 months ago

    CBSE > Class 09 > Science
    • 1 answers

    Ritika Singh 3 years, 4 months ago

    1.which of the following are matter? Chair, air ,love, smell ,hate, almond, thought ,cold ,lemon water ,smell of perfume Ans. Chair, air, almonds, lemon water 2.Give reason for the following observation a. A smell of hot sizzling food reaches you several metres away but to get the smell from cold food you have to go close a. It is because on increasing temperature the kinetic energy of particle increasing and hence the rate of diffusion decreases. 3.A driver is able to cut through water in swimming pool which property of matter does this observation show Ans. This observation show the particle of water has space between them and their having less forces of attraction that is why the diver is able to cut through water. 4.What are the characteristics of the particles of matter Ans following are the characteristic of particles of matter:- 1. matter are made up of small particles 2. particles of matter have space between them 3. these particles are continuously moving 4.particles of matter attract each other

    2Thank You

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    • Posted by Shreya Choudhary 3 years, 4 months ago

    CBSE > Class 09 > Science
    • 0 answers
    ANSWER

    • Posted by No Name 3 years, 4 months ago

    CBSE > Class 09 > Science
    • 0 answers
    ANSWER

    • Posted by Drishya Mourya 3 years, 4 months ago

    CBSE > Class 09 > Science
    • 0 answers
    ANSWER

    • Posted by Prajin E 3 years, 4 months ago

    CBSE > Class 09 > Science
    • 1 answers

    Navya Agarwal 3 years, 4 months ago

    No the the cells of different body parts are not similar we can consider the example of nerve cell and muscle cell they are different From each other in shape

    1Thank You

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    • Posted by Lavanshika Sankhla 3 years, 4 months ago

    CBSE > Class 09 > Science
    • 1 answers

    Aditya Singh Rathore 3 years, 4 months ago

    The nucleus is a double-membraned organelle that contains the genetic material and other instructions required for cellular processes. It is exclusively found in eukaryotic cells and is also one of the largest organelles

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    • Posted by Arshiya Lohia 3 years, 4 months ago

    CBSE > Class 09 > Science
    • 1 answers

    Aditya Singh Rathore 3 years, 4 months ago

    Observation: Hammering a piece of the iron nail does not break the nail but flatten its surface. Hammering chalk breaks the chalk and gives us powdered chalk. We can stretch the rubber band to a large length without any break. Inference: Force of attraction between molecules of different substances is different. Explanation: In activity 1.6 we saw that force of attraction between solid, liquid and gases is different. This experiment focuses on the force of attraction between different solids. Here all the particles are solid, but the force of attraction between their molecule is different. In iron nail force of attraction is the highest. The force of attraction in chalk is lower, so breaking them into pieces is easy. Rubber contains a long chain of molecules linked to each other by covalent bonds. This long chain structure gives them high elasticity.

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    • Posted by Utsav Kumar Hars 3 years, 4 months ago

    CBSE > Class 09 > Science
    • 1 answers

    Utsav Kumar Hars 3 years, 4 months ago

    It is hypotonic solution

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    • Posted by Aditya Mishra 3 years, 4 months ago

    CBSE > Class 09 > Science
    • 4 answers

    Ritika Singh 3 years, 4 months ago

    Tungsten is the hardest metal in the world

    0Thank You

    Tanisha Adhikari 3 years, 4 months ago

    Tungsten

    0Thank You

    Mahi Patel 3 years, 4 months ago

    Tungsten

    1Thank You

    Diya Sree 3 years, 4 months ago

    Tungsten

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    • Posted by Aarush Negi 3 years, 4 months ago

    CBSE > Class 09 > Science
    • 5 answers

    Tanisha Adhikari 3 years, 4 months ago

    It turns into liquid ex - ice is solid and when it melt it turn into liquid state

    1Thank You

    Mahi Patel 3 years, 4 months ago

    It will become liquid

    1Thank You

    Krishna Agrawal 3 years, 4 months ago

    If the temperature of solid increases it will melt down and become liquid

    0Thank You

    Kanishka Bhaskar 3 years, 4 months ago

    It melts down

    3Thank You

    Saurabh Yadav 3 years, 4 months ago

    That substance change into liquid

    1Thank You

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    • Posted by Shantanu Kumar 3 years, 4 months ago

    CBSE > Class 09 > Science
    • 1 answers

    Rashmi Chandola 3 years, 4 months ago

    Rigidity = the hardness of the matter.

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    • Posted by Minu Bala 3 years, 4 months ago

    CBSE > Class 09 > Science
    • 2 answers

    Rashmi Chandola 3 years, 4 months ago

    The RBC cells get shrink.

    0Thank You

    Shreyansh Ravi 3 years, 4 months ago

    The rcb will shrink as it loose water by osmosis

    1Thank You

    ANSWER

    • Posted by Minu Bala 3 years, 4 months ago

    CBSE > Class 09 > Science
    • 3 answers

    Pratha Sharma 3 years, 4 months ago

    What is the meant of substance

    1Thank You

    Pratha Sharma 3 years, 4 months ago

    Chapter 2nd

    3Thank You

    Minu Bala 3 years, 4 months ago

    When we keep raisin in water the water present inside the raisin is low .So,by the process of osmosis the water from high concentration moves to the water with low concentration i.e this is a form of hypotonic medium.

    2Thank You

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    • Posted by Minu Bala 3 years, 4 months ago

    CBSE > Class 09 > Science
    • 0 answers
    ANSWER

    • Posted by Md Barik 3 years, 4 months ago

    CBSE > Class 09 > Science
    • 3 answers

    Shreyansh Ravi 3 years, 4 months ago

    Displacement is equal to or less than the distance

    0Thank You

    Shreyansh Ravi 3 years, 4 months ago

    Distance never be 0 or negative but displacement can

    1Thank You

    Saurabh Yadav 3 years, 4 months ago

    Distance is scalar quantity and displacement is vector quantity

    1Thank You

    ANSWER

    • Posted by Manpreet Kaur 3 years, 4 months ago

    CBSE > Class 09 > Science
    • 1 answers

    Minu Bala 3 years, 4 months ago

    as the sugar crystals are of the same size, and shape they are considered solid (they are small and in large numbers that is the reason they take shape of the container in which they are kept.)

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    • Posted by Jagu R 3 years, 4 months ago

    CBSE > Class 09 > Science
    • 3 answers

    Diya Sree 3 years, 4 months ago

    A membrane organelle that contains the cell's chromosome

    0Thank You

    Rashmi Chandola 3 years, 4 months ago

    Nucleus is the central dense round body present in the centre of the cells.

    1Thank You

    Rashmi Chandola 3 years, 4 months ago

    Not nucleas it is nucleus.

    1Thank You

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    • Posted by Challa Nikitha 3 years, 4 months ago

    CBSE > Class 09 > Science
    • 1 answers

    Sidhanshi . 3 years, 4 months ago

    They are known as suicidal bag because they remove unnecessary particles and organelles from cell hence they are called as scavengers of the cells.

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    • Posted by Pranjal Sahay 3 years, 4 months ago

    CBSE > Class 09 > Science
    • 2 answers

    Rashmi Chandola 3 years, 4 months ago

    Anything that has any weight and it occupies space.

    0Thank You

    Minu Bala 3 years, 4 months ago

    Anything that has weight and occupies space is known as mass . Eg. Car , pen, paper, human being etc.

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    • Posted by Harshit Kumar 3 years, 5 months ago

    CBSE > Class 09 > Science
    • 1 answers

    Shreyansh Ravi 3 years, 4 months ago

    The density of ice is less than of water as it has air trapped in it.

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    • Posted by Aavya Yadav 3 years, 5 months ago

    CBSE > Class 09 > Science
    • 1 answers

    Shine_ Sun._._ 3 years, 4 months ago

    I had but that are not in sequence.😐

    0Thank You

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    • Posted by Harshith Chaganti 3 years, 5 months ago

    CBSE > Class 09 > Science
    • 0 answers
    ANSWER

    • Posted by Lucky Yadav 3 years, 5 months ago

    CBSE > Class 09 > Science
    • 1 answers

    Navya Agarwal 3 years, 4 months ago

    1760.41km/hr

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    • Posted by Aditya Raj 3 years, 5 months ago

    CBSE > Class 09 > Science
    • 0 answers
    ANSWER

    • Posted by Krishna Gupta 3 years, 5 months ago

    CBSE > Class 09 > Science
    • 0 answers
    ANSWER

    • Posted by Virat Singh 3 years, 5 months ago

    CBSE > Class 09 > Science
    • 1 answers

    Aashima Saini 3 years, 5 months ago

    Infectious diseases are the diseases which spread from a infected person to a healthy person by the microorganisms . non infectious disease that the diseases which do not spread from a healthy person

    1Thank You

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    • Posted by Dhananjay Yadav 3 years, 5 months ago

    CBSE > Class 09 > Science
    • 1 answers

    Rashmi Chandola 3 years, 4 months ago

    Bacteria.

    0Thank You

    ANSWER

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