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    • Posted by Jeyaraj Jeyaraj 7 years, 4 months ago

    CBSE > Class 09 > Science
    • 2 answers

    Priya Rawat 7 years, 4 months ago

    The total number of electron present in an element is called its atomic number . For example = hydrogen=1 Oxygen=8

    0Thank You

    Saurabh And Shekhar Jha 7 years, 4 months ago

    No. Of electron present in element

    4Thank You

    ANSWER

    • Posted by Monil Seth 7 years, 4 months ago

    CBSE > Class 09 > Science
    • 1 answers

    Anushka_Rajput_ Ix_C 5 years, 5 months ago

    don't know

    17Thank You

    ANSWER

    • Posted by Kirti Verma 7 years, 4 months ago

    CBSE > Class 09 > Science
    • 0 answers
    ANSWER

    • Posted by Vaibhav Aggarwal 7 years, 4 months ago

    CBSE > Class 09 > Science
    • 1 answers

    Vikash Kumar 5 years, 11 months ago

    12 o clock

    0Thank You

    ANSWER

    • Posted by Shreya Sinha 4 years, 9 months ago

    CBSE > Class 09 > Science
    • 1 answers

    Sia ? 4 years, 9 months ago

    Infrasonic

    Ultrasonic

    It has frequency less than the audible frequency range.

    It has the frequency greater than the audible frequency range.

    Less than 20 Hz

    More than 20000 Hz

    Sources: Volcanoes, Earthquakes, etc.

    Sources: Bats, SONAR, etc.

    0Thank You

    ANSWER

    • Posted by Nithin Ram 7 years, 4 months ago

    CBSE > Class 09 > Science
    • 1 answers

    Akriti Soni 7 years, 4 months ago

    It is a heterogeneous mixture in which the particle size of dispersed phase is 1-1000nm, the medium in which the particles of dispersed phase are distributed in dispersion medium.

    0Thank You

    ANSWER

    • Posted by Riya Rajeev 7 years, 4 months ago

    CBSE > Class 09 > Science
    • 1 answers

    Saurabh And Shekhar Jha 7 years, 4 months ago

    Air pollution is dangerous. Stop it by not cracker

    1Thank You

    ANSWER

    • Posted by Sudeep Salunke 7 years, 4 months ago

    CBSE > Class 09 > Science
    • 0 answers
    ANSWER

    • Posted by Mc Hansdah 7 years, 4 months ago

    CBSE > Class 09 > Science
    • 1 answers

    Akriti Soni 7 years, 4 months ago

    Plasma membrane allow or permit only selective substance for entry and exit of cell.

    1Thank You

    ANSWER

    • Posted by Srimanta Ray 7 years, 4 months ago

    CBSE > Class 09 > Science
    • 0 answers
    ANSWER

    • Posted by Anshika Gupta 7 years, 4 months ago

    CBSE > Class 09 > Science
    • 1 answers

    Hineri . 7 years, 4 months ago

    Spirogyra is example of thallophyta Fern is example of pteridophyta Funariya is example of bryophyta Pinus is example of gymnosperms

    0Thank You

    ANSWER

    • Posted by Anis Rabiya Abdul Rahim 7 years, 4 months ago

    CBSE > Class 09 > Science
    • 1 answers

    Ritesh Agrawal 7 years, 4 months ago

    When a object in rest, we applied some force to change their place ,in those time the object try to make his position same or in rest : this is inertia of rest

    4Thank You

    ANSWER

    • Posted by Dashrath Kuswaha 7 years, 4 months ago

    CBSE > Class 09 > Science
    • 3 answers

    Parm Basra 7 years, 4 months ago

    Ernes

    0Thank You

    Preeti Prajapati 7 years, 4 months ago

    Ernest Rutherford (1919)

    1Thank You

    Daivik Gautam 7 years, 4 months ago

    Ernest Rutherford (1919) observed that nitrogen under alpha-particle bombardment ejects some particle which are hydrogen nuclei. By 1920 he had accepted that the hydrogen nucleus is a distinct particle within the atom and named it proton.

    3Thank You

    ANSWER

    • Posted by Suchandra Bhowmick 7 years, 4 months ago

    CBSE > Class 09 > Science
    • 1 answers

    Daivik Gautam 7 years, 4 months ago

    According to the law of conservation of mass the no. of atoms of element in the reactant is equal to the no. of atom of element in product side. So we need to balance a chemical equation so that it follow the law of conservation of mass

    1Thank You

    ANSWER

    • Posted by Aman Mittal 7 years, 4 months ago

    CBSE > Class 09 > Science
    • 3 answers

    Anand Verma 7 years, 4 months ago

    17

    0Thank You

    Daivik Gautam 7 years, 4 months ago

    Tere paas google nahi h kya Chal phir bhi bata deta hu ki atoms in chlorine are 17

    1Thank You

    Daivik Gautam 7 years, 4 months ago

    Chal be

    1Thank You

    ANSWER

    • Posted by Gautam Kumar 7 years, 4 months ago

    CBSE > Class 09 > Science
    • 3 answers

    Saswat Panda 7 years, 4 months ago

    Ozone layer is made up of 3 atoms of oxygen

    1Thank You

    Daivik Gautam 7 years, 4 months ago

    Please correct your english

    2Thank You

    Daivik Gautam 7 years, 4 months ago

    Ozone layer is form by adding 3 molecules of oxygen (O3)

    2Thank You

    ANSWER

    • Posted by Aurobindo Behera 7 years, 4 months ago

    CBSE > Class 09 > Science
    • 2 answers

    Saswat Panda 7 years, 4 months ago

    No

    0Thank You

    Ankit Gupta 7 years, 4 months ago

    No

    0Thank You

    ANSWER

    • Posted by Naman Sharma 7 years, 4 months ago

    CBSE > Class 09 > Science
    • 1 answers

    Manas Thakare 7 years, 4 months ago

    A. The mass

    1Thank You

    ANSWER

    • Posted by Prabhudatta Peda 7 years, 4 months ago

    CBSE > Class 09 > Science
    • 1 answers

    Daivik Gautam 7 years, 4 months ago

    Aristotle is kwon as FATHER OF BIOLOGY .He was the first who classified the living organisms and he classified it into two groups i.e. plants and animalsaccording to their habitat . Further he sub-divided the animal kingdom as air, water, land and plant kingdom as small,medium, large. But his clasaification system is not good but then also his classification system was followed upto 2000 years until it was replaced by Carolus Linnaeus in 1700s

    2Thank You

    ANSWER

    • Posted by Nikita Goswami 7 years, 4 months ago

    CBSE > Class 09 > Science
    • 2 answers

    Nikhil Kumar 7 years, 4 months ago

    It like a gravitaional law of constant G

    1Thank You

    Mohit Maurya 7 years, 4 months ago

    Universel turth

    1Thank You

    ANSWER

    • Posted by Jyoti Singh 7 years, 4 months ago

    CBSE > Class 09 > Science
    • 2 answers

    Miss Angel Barsha 7 years, 4 months ago

    It's 7

    0Thank You

    Amanvir Yadav 7 years, 4 months ago

    Red

    0Thank You

    ANSWER

    • Posted by Niharika ? Chaube? 7 years, 4 months ago

    CBSE > Class 09 > Science
    • 5 answers

    Kusum Painuly 7 years, 4 months ago

    Protista is a kingdom of those organisms which unicellular eukryotic * There mode of nutrition can be autotrophic or hetrotrophic *They use appendenges hair leke projection (like cillia ) to move For eg - unicellular algae , protozons and diatons *** this i gave u full note of protista ??

    1Thank You

    Prabhudatta Peda 7 years, 4 months ago

    It is s kingdom in which the organism protist live in sea and is eukaryotic

    1Thank You

    Amanvir Yadav 7 years, 4 months ago

    It is chloroplast in other words

    1Thank You

    Harsh Verma 7 years, 4 months ago

    A feeling of fright

    1Thank You

    Varun Gupta 7 years, 4 months ago

    1. Unicellular

    2Thank You

    ANSWER

    • Posted by Bhawana Arya 7 years, 4 months ago

    CBSE > Class 09 > Science
    • 1 answers

    Jyoti Singh 7 years, 4 months ago

    Nomenature is the naming of organisms with two name. ( Genus & species).

    2Thank You

    ANSWER

    • Posted by Srimant Samal 7 years, 4 months ago

    CBSE > Class 09 > Science
    • 1 answers

    Nishant Singh 7 years, 4 months ago

    Chloroplast

    1Thank You

    ANSWER

    • Posted by Priyanshu Pranav 7 years, 4 months ago

    CBSE > Class 09 > Science
    • 2 answers

    Ayush Singh 7 years, 4 months ago

    It is a semi rigid flexible and soft structure present in ?? ear

    0Thank You

    Manas Thakare 7 years, 4 months ago

    Connective tissue present in our nose

    0Thank You

    ANSWER

    • Posted by Subhashree Senapati 7 years, 4 months ago

    CBSE > Class 09 > Science
    • 0 answers
    ANSWER

    • Posted by Paulami Mukharjee 5 years, 11 months ago

    CBSE > Class 09 > Science
    • 2 answers

    Miss Angel Barsha 7 years, 4 months ago

    What nonsense type of question you are asking here

    3Thank You

    Upasana Mullick 7 years, 4 months ago

    Because their adolescent period start

    1Thank You

    ANSWER

    • Posted by Pritma Kumari 7 years, 4 months ago

    CBSE > Class 09 > Science
    • 1 answers

    Pritma Kumari 7 years, 4 months ago

    Sartourious

    1Thank You

    ANSWER

    • Posted by Hrithik A 5 years, 11 months ago

    CBSE > Class 09 > Science
    • 5 answers

    Hrithik A 7 years, 4 months ago

    The gravitational law is considered as the universal law because it is applicable everywhere in the universe.

    1Thank You

    Neymar Jr 7 years, 4 months ago

    Because,it's value is same in all univers

    3Thank You

    Kusum Painuly 7 years, 4 months ago

    Becoz it applies on each ad every object in the universe

    0Thank You

    Upasana Mullick 7 years, 4 months ago

    It is applicable in the whole world in every object

    1Thank You

    Shaiyana Manzoor 7 years, 4 months ago

    As it is universally accepted and is applicable everywhere

    4Thank You

    ANSWER

    • Posted by Sahil Bhattad 7 years, 4 months ago

    CBSE > Class 09 > Science
    • 2 answers

    Sahil Bhattad 7 years, 4 months ago

    Thanks

    0Thank You

    Palak ?? 7 years, 4 months ago

    A push or a pull is called force....and when this force acts perpendicularly to the surface,it is called thrust...and pressure is calculated as thrust upon unit area i.e perpendicular force upon unit area..

    3Thank You

    ANSWER

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