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What is IAA?
Posted by Tanuja Banjare (Sep 21, 2017 8:40 a.m.) (Question ID: 44579)

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How to remove chlorophyll from a leaf?
Posted by Yash Bansal (Sep 21, 2017 8:17 a.m.) (Question ID: 44568)

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  • See experiment in your book
    Answered by Iliana Farnandese (Sep 21, 2017 8:40 a.m.)
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Why issmall intestine porous in nature ?
Posted by Satnam Wadhwa (Sep 21, 2017 8:07 a.m.) (Question ID: 44565)

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Question based on resistance
Posted by Riya Srivastava (Sep 21, 2017 7:42 a.m.) (Question ID: 44551)

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What is resistivity?
Posted by Vishal Yadav (Sep 21, 2017 7:33 a.m.) (Question ID: 44548)

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  • If the length of the conductor is 1m and it's cross section area is 1m² it is called the resistivity of that conductor
    Answered by Yash Bansal (Sep 21, 2017 8:20 a.m.)
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what is cataract
Posted by Bhavik Parmar (Sep 21, 2017 7:09 a.m.) (Question ID: 44541)

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Name the two chemical which are used in negative photo
Posted by Abhishek Yadav (Sep 21, 2017 6:41 a.m.) (Question ID: 44530)

  • Pls anwer fast
    Posted by Abhishek Yadav (Sep 21, 2017 6:41 a.m.)
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  • 2Agbr ---->2ag+br2 Silver and bromide
    Answered by Shubham Saharan (Sep 21, 2017 7:08 a.m.)
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What is organism
Posted by Pragyna Parimita Behera (Sep 21, 2017 6:40 a.m.) (Question ID: 44529)

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Why should curd and sour substances not kept in brass and copper vessels ?
Posted by Sanskar Bhardwaj (Sep 21, 2017 6:11 a.m.) (Question ID: 44513)

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  • As they are acidic in nature and get react with copper vessel became harmful for us
    Answered by Chirag Rathi (Sep 21, 2017 6:43 a.m.)
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electric current
Posted by Roma Singh (Sep 21, 2017 5:55 a.m.) (Question ID: 44510)

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Find out the combination of Power of lens of focal length is - 5,10,-2,5.
Posted by Gulshad Ahmed Shah (Sep 21, 2017 5:55 a.m.) (Question ID: 44509)

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Uses of baking soda
Posted by Sumit Baghel (Sep 21, 2017 5:45 a.m.) (Question ID: 44507)

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  • Refer to the book
    Answered by Ankur Sonowal (Sep 21, 2017 6:46 a.m.)
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Explain advanced sunrise and delayed sunset.
Posted by Sanya Bhatia (Sep 21, 2017 5:07 a.m.) (Question ID: 44497)

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Which one is the best conductor of electricity?give reasons.
Posted by Yogita Sharma (Sep 20, 2017 11:44 p.m.) (Question ID: 44463)

  • Fastly.....
    Posted by Yogita Sharma (Sep 20, 2017 11:44 p.m.)
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  • Silver is a best conductor of electricity if there has free electron
    Answered by Sumit Baghel (Sep 21, 2017 5:48 a.m.)
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  • Silver is best conductor of electric because there is low resistance
    Answered by Durgesh Sharma (Sep 21, 2017 2:42 a.m.)
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  • Because it has free electrons
    Answered by Shivam Trivedi (Sep 21, 2017 1:06 a.m.)
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  • Because it has low resistivity
    Answered by Ankur Sonowal (Sep 20, 2017 11:55 p.m.)
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  • Silver , because electrons in silver metal are more free or we can say can easily conduct electricity as compare to other metals 

    that is why silver is consider as best conductor

    Answered by Sharma Centre (Sep 20, 2017 11:50 p.m.)
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  • I know silver is the best conductor of electricity but I don't know reason
    Answered by Yogita Sharma (Sep 20, 2017 11:45 p.m.)
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When base dissolved in water,what happen.
Posted by Yogita Sharma (Sep 20, 2017 11:42 p.m.) (Question ID: 44462)

  • It is known as alkali.
    Posted by Harsh Raj (Sep 20, 2017 11:53 p.m.)
  • Fast please
    Posted by Yogita Sharma (Sep 20, 2017 11:43 p.m.)
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  • Bases ionise in water toproduce OH negave ions.. Nat all the bases dissolve in water but some of the bases which dissove in water are known as Alkali
    Answered by Mokshit Bhandari (Sep 21, 2017 3:27 a.m.)
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  • When base is dissolved in water then sodium hydroxine will formed from water
    Answered by Kritika Sen (Sep 21, 2017 12:37 a.m.)
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Ohm's law state
Posted by Neha Neha (Sep 20, 2017 11:42 p.m.) (Question ID: 44461)

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  • Law state that the potential difference in a circuit is directly proportional to the current.
    Answered by Ankur Sonowal (Sep 20, 2017 11:58 p.m.)
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  • Given by gear gye Simon ohm 

    At constant temperature and pressure, the electric current flowing through a conductor is directly proportional to the potential difference across its ends.

    V~I   As V increases, current also increases and vice versa.

    V=IR

    where R is resistance , it measure in ohms

     

    which is property of conductor by which it opposes the flow of current through it ,, 

    Answered by Sharma Centre (Sep 20, 2017 11:54 p.m.)
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What is Ohm's law and its state
Posted by Neha Neha (Sep 20, 2017 11:41 p.m.) (Question ID: 44460)

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  • Ohm's law states that current flow through conductor is directly proportional to resistance of the conductor, temperature of the conductor and it's physical conditions.
    Answered by Harsh Raj (Sep 20, 2017 11:58 p.m.)
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What is a cell
Posted by Subhamjit Nath (Sep 20, 2017 11:29 p.m.) (Question ID: 44451)

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  • Cell is a functional and structural unit of living organisms
    Answered by Yogita Sharma (Sep 20, 2017 11:47 p.m.)
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  • The fundamental structural and functional unit of life is known as cell

    Answered by Sharma Centre (Sep 20, 2017 11:47 p.m.)
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Stomata of desert plant are closed during daytime.How do they take CO2?
Posted by Sanya Bhatia (Sep 20, 2017 11:24 p.m.) (Question ID: 44443)

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  • During the day the desert plants absorb water from the roots and keep the stomata closed

     so that, the water may not be lost through the process of transpiration.

    at night they open up the stomata pores and take in CO2 and the process of photosynthesis is completed by the next day.

    Answered by Sharma Centre (Sep 21, 2017 12:12 a.m.)
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What is the symbol of carbon
Posted by Archit Singh (Sep 20, 2017 11:23 p.m.) (Question ID: 44441)

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  • C

    Answered by Sharma Centre (Sep 20, 2017 11:47 p.m.)
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What is dark and light reaction
Posted by Shruti Goyal (Sep 20, 2017 11:16 p.m.) (Question ID: 44439)

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Dry HCl gas does not change colour of dry blue litmus paper
Posted by Yogita Sharma (Sep 20, 2017 11:16 p.m.) (Question ID: 44438)

  • Fastly please it's urgent.
    Posted by Yogita Sharma (Sep 20, 2017 11:17 p.m.)
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  • Because acids doesn't show acidic behaviour in the absence of water
    Answered by Kritika Sen (Sep 20, 2017 11:30 p.m.)
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  • Because it does not have any moisture content present on it. And also dry litmus paper fails to produce H+ve (hydrogen positive) ions.
    Answered by Sanya Bhatia (Sep 20, 2017 11:25 p.m.)
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Sorry I mean cobalt
Posted by Sangamesh Patil (Sep 20, 2017 11:03 p.m.) (Question ID: 44426)

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What is condom?
Posted by Sangamesh Patil (Sep 20, 2017 11:02 p.m.) (Question ID: 44425)

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Write the chemial name and formula of common salt
Posted by Hemant Rider (Sep 20, 2017 10:36 p.m.) (Question ID: 44404)

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  • NaCl is known as common salt
    Answered by Yogita Sharma (Sep 20, 2017 11:18 p.m.)
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  • Chemical name :- sodium chloride and formula :- NaCl
    Answered by Payal Yadav (Sep 20, 2017 10:38 p.m.)
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Where hormone is made in human body
Posted by Naresh Sharma (Sep 20, 2017 10:34 p.m.) (Question ID: 44401)

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  • Endocrine glands
    Answered by Kritika Sen (Sep 20, 2017 11:38 p.m.)
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  • In endocrine glands system
    Answered by Yogita Sharma (Sep 20, 2017 11:19 p.m.)
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  • Yes, endocrine glands
    Answered by Payal Yadav (Sep 20, 2017 10:37 p.m.)
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  • Endocrine glands
    Answered by Priti Thakur (Sep 20, 2017 10:34 p.m.)
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Why current is induced in nearby kept coil
Posted by Darshan Kapoor (Sep 20, 2017 10:27 p.m.) (Question ID: 44394)

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  • Due to change in magnetic field of 1st coil, the magnetic field of the 2nd coil also changes.
    Answered by Payal Yadav (Sep 20, 2017 10:30 p.m.)
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  • By the change come in magnetic field.
    Answered by Payal Yadav (Sep 20, 2017 10:28 p.m.)
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Is geotropism due to hydrotropism
Posted by Darshan Kapoor (Sep 20, 2017 10:19 p.m.) (Question ID: 44387)

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  • No their is no similarities in geotropism and hydrotropism because geo means gravity and hydro means water and they show their different processes in plant parts or we can say movement in plant body.
    Answered by Yogita Sharma (Sep 20, 2017 11:24 p.m.)
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  • No, both are different. Geotropism is the movement of plant towards / away from gravity. Hydrotroposm os the movement of plant towards water.
    Answered by Payal Yadav (Sep 20, 2017 10:24 p.m.)
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What is conducter
Posted by Sintu Sharma (Sep 20, 2017 10:09 p.m.) (Question ID: 44377)

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  • In which electricity can easily pass is known as conductor
    Answered by Yogita Sharma (Sep 20, 2017 11:25 p.m.)
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  • A substance is said to be a conductor if electricity passes through it.
    Answered by Payal Yadav (Sep 20, 2017 10:25 p.m.)
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  • A material with very low resistance through which electricity can pass easily
    Answered by Ananya Saraf (Sep 20, 2017 10:24 p.m.)
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What is tropic movement and nastic movements?
Posted by Sanya Bhatia (Sep 20, 2017 9:53 p.m.) (Question ID: 44360)

  • Tropic movement are those movement which reasponce to stimuli in a particular direction and nastic movement are those which reasponce to stimuli in any direction
    Posted by Krish Vashisth (Sep 20, 2017 10:05 p.m.)
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