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    • Posted by Swagatika Mohapatra 5 years, 9 months ago

    CBSE > Class 09 > Science
    • 2 answers

    Rashmi Ranjan 5 years, 9 months ago

    G: It is the force acting on unit mass of two objects separated at unit distance. It is always constant... It can never be zero.. It's value is 6.673×10^-11.. It is known as the Universal Constant . g: It is the measure of acceleration produced in a body under the force of gravity. It is variable.. It can be zero.. It's value on earth is 9.8m/sec^2.. It is known as acceleration due to gravity ..

    1Thank You

    Joy Sarkar 5 years, 9 months ago

    'g' means acceleration due to gravity and ' G' means universal gravitational constant force

    1Thank You

    ANSWER

    • Posted by Shriya Samaga 5 years, 9 months ago

    CBSE > Class 09 > Science
    • 1 answers

    Kap Sharma 5 years, 9 months ago

    When we inhale air(gases) it passes through our esphagus proves that nose is interconnected with mouth or esphagus this can give an idea about the reason.??

    0Thank You

    ANSWER

    • Posted by Rajesh Kumar 5 years, 9 months ago

    CBSE > Class 09 > Science
    • 2 answers

    Abhishek Kumar 5 years, 9 months ago

    What is song

    0Thank You

    Vipin Gupta 5 years, 9 months ago

    1. All matters are made up of tiny particles called atoms. 2.Atoms neither be destroyed nor created in a chemical reaction. 3.Atoms of different elements are identical in masses and chemical properties. 4. Atoms of different element have different masses and chemical properties. 5.Atoms combine in a ratio of small whole number to form compound. 6.The relative number and kind of atoms are constant in a given compound.

    3Thank You

    ANSWER

    • Posted by Saloni Kumari 5 years, 9 months ago

    CBSE > Class 09 > Science
    • 2 answers

    Rashmi Ranjan 5 years, 9 months ago

    Same mass number :Isotopes

    1Thank You

    Vipin Gupta 5 years, 9 months ago

    Those atoms which contains the same type of atoms called elements

    3Thank You

    ANSWER

    • Posted by Arunabh Bose 5 years, 9 months ago

    CBSE > Class 09 > Science
    • 5 answers

    Shrishti Pandey 5 years, 9 months ago

    Sound is fome of energy

    1Thank You

    Sajid Ali 5 years, 9 months ago

    Sound is a form of energy which can produce the sensation of hearing

    2Thank You

    Yogita Ingle 5 years, 9 months ago

    Sound is a type of energy. Sound travels in the form of wave from one place to another.

    Sound is produced because of the vibration of any object. In other words, when an object is vibrated it produces sound.

    4Thank You

    Rajesh Kumar 5 years, 9 months ago

    Energy

    2Thank You

    A.T'S Gaming 5 years, 9 months ago

    Sound is a pressure wave which is created by a vibrating object.

    2Thank You

    ANSWER

    • Posted by Sombir Saroha 5 years, 9 months ago

    CBSE > Class 09 > Science
    • 1 answers

    Yogita Ingle 5 years, 9 months ago

    Carbon tetrachloride, also known as tetrachloromethane, is a chlorate solvent used as cleaning agent and as a solvent in the production of resins and coats.

    Formula and structure: The carbon tetrachloride chemical formula is CCl4 and the molar mass is 153.81 g mol-1. The structure is tetrahedrical with one carbon atom at the center and 4 chlorine atoms bond to this atom. It can be a crystal at temperatures below -47 ºC. Its chemical structure can be written as below, in the common representations used for organic molecules.

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    • Posted by Dancing Fusion 5 years, 9 months ago

    CBSE > Class 09 > Science
    • 1 answers

    Yogita Ingle 5 years, 9 months ago

    Gram molar mass of Al2(SO4)3 = (2 x 27) + [ 3 x (32 + 64)] = 342 g

        1 mole of Al2(SO4)3 weighs = 342 g

        Hence, 0.5 mole of Al2(SO4)3 will weigh = 342 x 0.5   = 171 g

    0Thank You

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    • Posted by Harsh Shukla 5 years, 9 months ago

    CBSE > Class 09 > Science
    • 1 answers

    A.T'S Gaming 5 years, 9 months ago

    Extraterristrial life which does not originate from Earth.

    1Thank You

    ANSWER

    • Posted by Arushi Gaur 5 years, 9 months ago

    CBSE > Class 09 > Science
    • 1 answers

    Yogita Ingle 5 years, 9 months ago

    Elastic potential energy is the potential energy stored by stretching or compressing an elastic object by an external force such as the stretching of a spring. It is equal to the work done to stretch the spring which depends on the spring constant k and the distance stretched.

    The Elastic Potential Energy Formula of the spring stretched is given as
    P.E. = 1/2 kx2

    Where,

    P.E = elastic potential energy and it’s expressed in Joule.

    3Thank You

    ANSWER
    Q.2

    • Posted by Jatin Rathore 5 years, 9 months ago

    CBSE > Class 09 > Science
    • 0 answers
    ANSWER

    • Posted by Shriya Samaga 5 years, 9 months ago

    CBSE > Class 09 > Science
    • 2 answers

    Ashish Dubey 5 years, 9 months ago

    It belong to phylum mollusca.

    1Thank You

    Yogita Ingle 5 years, 9 months ago

    An Octopus is sometimes known as the Devilfish. It belongs to the class Cephalopoda. It is a soft-bodied mollusc with eight arms. Octopuses can camouflage very well in their surroundings. They have ink glands that they use to defend themselves or escape from predators. They show all the characteristic features of Phylum Mollusca and are triploblastic, bilaterally symmetrical, and found in various regions of the ocean.

    1Thank You

    ANSWER

    • Posted by Ishan Bajaj 5 years, 9 months ago

    CBSE > Class 09 > Science
    • 2 answers

    Samruddhi Br 5 years, 9 months ago

    They do not have real organs.

    0Thank You

    Shriya Samaga 5 years, 9 months ago

    The nematode body is bilaterally symmetrical and triploblastic.The bodyis cylindrical rather flatterned. These are familiar as parasitic worms causing diseases such as elephantiasis by filarial worms ,etc.

    0Thank You

    ANSWER

    • Posted by Sailaja Suresh 5 years, 9 months ago

    CBSE > Class 09 > Science
    • 1 answers

    Ishan Bajaj 5 years, 9 months ago

    Yes

    0Thank You

    ANSWER

    • Posted by Maryam Gul 5 years, 9 months ago

    CBSE > Class 09 > Science
    • 2 answers

    Hariom Dalal 5 years, 9 months ago

    No-no bro see: scientific terms are necessary for doctors as well as scientists there can you use normal terms"NO" . So thats why it is mendentary. In our science exams which words are written in scientific notations they are compulsory & further marks are based on theory.

    1Thank You

    Samruddhi Br 5 years, 9 months ago

    Its not necessary to use the scientific words for everything. But its very important to mention the name of plants and animals in their scientific names.

    0Thank You

    ANSWER

    • Posted by Shubham Kr. 5 years, 9 months ago

    CBSE > Class 09 > Science
    • 1 answers

    Rashmi Ranjan 5 years, 9 months ago

    Inertia:Every objects tends to remain in its original state and restricts change in itself....

    0Thank You

    ANSWER

    • Posted by Shivam Raj 5 years, 9 months ago

    CBSE > Class 09 > Science
    • 2 answers

    Shivam Raj 5 years, 9 months ago

    What is the no. of atom in 18g of H2O

    0Thank You

    Akshitha Akshaya 5 years, 9 months ago

    Number of atom=no. Of protons If the protons are given then you will get the atomic number... Example........carbon atom have 6 protons ,so its atomic number is also 6.

    1Thank You

    ANSWER

    • Posted by Rishi Kanna 5 years, 9 months ago

    CBSE > Class 09 > Science
    • 4 answers

    Ishan Bajaj 5 years, 9 months ago

    Phylums in animal kingdom

    1Thank You

    Ishan Bajaj 5 years, 9 months ago

    Eight type of phylum

    1Thank You

    Ishan Bajaj 5 years, 9 months ago

    No this is wrong answer

    1Thank You

    Kislay Anand 5 years, 5 months ago

    There are five phylum 1phylum Monera, 2 phylum Protista, 3 phylum fungi, 4 plantae ,5 Animalia At last I hope it helps you

    1Thank You

    ANSWER

    • Posted by Tushar Wadkile 5 years, 9 months ago

    CBSE > Class 09 > Science
    • 2 answers

    Akshitha Akshaya 5 years, 9 months ago

    Atomic mass =no.of protons+no.of neutrons

    0Thank You

    Anjali Patel 5 years, 5 months ago

    The atomic mass is the mass of an atom

    1Thank You

    ANSWER

    • Posted by Banwari Lal Meena 5 years, 9 months ago

    CBSE > Class 09 > Science
    • 2 answers

    Rashmi Ranjan 5 years, 9 months ago

    Symbiotic relationship is a mutual relationship between specific group of fungi and alga where they cooperate with each other and depend on each other for their survival..... Ex-Lichens(Fruticose lichens),venom etc....

    0Thank You

    Joy Sarkar 5 years, 9 months ago

    Lichen and venom

    0Thank You

    ANSWER

    • Posted by Daksh Chaudhary 5 years, 9 months ago

    CBSE > Class 09 > Science
    • 2 answers

    Rishi Kanna 5 years, 9 months ago

    Bro its very easy bro if carbon dioxide means carbon=C and oxide =O therefore dioxide means =O2 carbon dioxide means CO2 did u understand bro???????

    3Thank You

    Anjali Patel 5 years, 9 months ago

    Chemical formula tell us no. Of atom of each compound

    1Thank You

    ANSWER

    • Posted by Aaliya Jais 5 years, 9 months ago

    CBSE > Class 09 > Science
    • 1 answers

    Kap Sharma 5 years, 9 months ago

    Mass = 15kg Height. = 1.5kg W =f*s (f=mg) W=15kg*10m/s*1.5m W=225joules. Taking g=10m/s

    1Thank You

    ANSWER

    • Posted by Anita Kanojiya 5 years, 9 months ago

    CBSE > Class 09 > Science
    • 4 answers

    Shrishti Pandey 5 years, 9 months ago

    Vigyan

    0Thank You

    Rashmi Ranjan 5 years, 9 months ago

    विज्ञान

    1Thank You

    Rajneesh Payal 5 years, 9 months ago

    Vigyan

    1Thank You

    Pooja Gulia 5 years, 9 months ago

    Vigyan

    1Thank You

    ANSWER

    • Posted by Johann Antony 5 years, 9 months ago

    CBSE > Class 09 > Science
    • 4 answers

    Rajneesh Payal 5 years, 9 months ago

    Thrust osq pependicular force

    0Thank You

    Shivansh Kathpalia 5 years, 9 months ago

    Thrust is perpendicular force acting on an object

    1Thank You

    Kislay Anand 5 years, 9 months ago

    Thrush-normal force acting on an object is called thrust and Pressure-normal force acting per unit area on an object is called pressure

    1Thank You

    Tejashwa Yadav 5 years, 9 months ago

    Thrust is kind of force which is perpendicular force acting on a body is called thrust. unit -N Pressure-thrust per unit area is called pressure unit-Nm-2,pascal

    2Thank You

    ANSWER

    • Posted by Arpit Singh 5 years, 9 months ago

    CBSE > Class 09 > Science
    • 3 answers

    Rakhi Vasodiya11 5 years, 9 months ago

    (iii) Isotopes - Isotopes are atoms of the same element having the same atomic number but different mass numbers. For example -- All chlorine atoms contain 17 protons, so atomic no. Of all chlorine atoms is 17 . Now, some chlorine atoms have 18 neutrons whereas other chlorine atoms contain 20 neutrons. So, chlorine atom have mass numbers are 17+18=35 or 17+20=37 . Thus, chlorine has two isotopes

    1Thank You

    Yogita Ingle 5 years, 9 months ago

    i) Atomic number is the total number of protons present in the nucleus of an atom. It is also equal to the number of electrons for a neutral atom. Example, atomic number of sodium is 11.
    ii) Mass number is the number of protons and neutrons in the nucleus taken together. For example, mass number of sodium is 23 g/mol.
    iii) Isotopes are elements with the same atomic number but different mass numbers. Example, hydrogen has 3 isotopes - protium (1H1), deuterium (2H1) and tritium (3H1).

    iv) Isobars are elements which have different atomic numbers but the same mass number. They are different chemical elements. Example, iron and nickel, both have mass number 58, whereas atomic numbers are different. 

    2Thank You

    Rakhi Vasodiya11 5 years, 9 months ago

    (ii) mass number - The total no. of protons and neutrons present in one atom of an element is known as mass number. For example - Sodium element contains 11 protons and 12 neutrons, so mass number of sodium is 11+12=23 .

    2Thank You

    ANSWER

    • Posted by Aisha Rajput 5 years, 9 months ago

    CBSE > Class 09 > Science
    • 1 answers

    Kap Sharma 5 years, 9 months ago

    Stomata It helps in exchange of gases like carbon dioxide and oxygen. It helps transpiration process. Have guard cells for opening and closing. Mitosis The cell divison occur for the growth. Mother cell divides to form two identical daughter cells. The daughter cell have same no.of chromosomes. It helps in growth and repairing of tissues. Cell included are calles somatic cells.

    2Thank You

    ANSWER

    • Posted by Pushpa Yadav 5 years, 9 months ago

    CBSE > Class 09 > Science
    • 2 answers

    Rakhi Vasodiya11 5 years, 9 months ago

    Carl woese (1977)

    1Thank You

    Yogita Ingle 5 years, 9 months ago

    Carl Woese (1977) divided Monera into two groups-Archaebacteria and Eubacteria.

    1Thank You

    ANSWER

    • Posted by Lakshman Kumar 5 years, 9 months ago

    CBSE > Class 09 > Science
    • 1 answers

    Yogita Ingle 5 years, 9 months ago

    • A semi-truck travelling down the road has more kinetic energy than a car travelling at the same speed because the truck’s mass is much more than the car’s.
    • A river flowing at a certain speed comprises kinetic energy as water has certain velocity and mass.
    • The kinetic energy of an asteroid falling towards earth is very large.
    • The kinetic energy of the aeroplane is more during the flight due to large mass and speedy velocity.

    0Thank You

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    • Posted by Yug Bhardwaj 5 years, 9 months ago

    CBSE > Class 09 > Science
    • 1 answers

    Gaurav Seth 5 years, 9 months ago

    The molar mass of calcium carbonate is  approx 100.086g/mol. The first step of determining the molar mass is todetermine the chemical formula ofcalcium carbonate, which is CaCO3. Then, multiply the atomic mass of each element by the number of atoms in the formula.

    Ca-40
    C-12
    O-16
    CaCO3=40+12+(16×3)=40+12+48=100u

    1Thank You

    ANSWER

    • Posted by Ragvinder Kaur 5 years, 9 months ago

    CBSE > Class 09 > Science
    • 1 answers

    Zainab Ali 5 years, 9 months ago

    Antibiotics are also used to cure fungal diseases ,as bacteria and fungi contains cell wall... Antibiotic's main job is to damage the cell wall of such bacteria and fungi to kill them. As viruses don't have cellular structure antibiotics won't work on them...

    2Thank You

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    • Posted by Dinabandhu Gouda 5 years, 9 months ago

    CBSE > Class 09 > Science
    • 3 answers

    Ayush Sharma 5 years, 9 months ago

    Bryophytas are called amphibia of plant kingdom because they require water to compete there life cycle

    0Thank You

    Kashish Bhambhani 5 years, 9 months ago

    Bryophyta

    0Thank You

    Kap Sharma 5 years, 9 months ago

    Plant kingdom - bryophyta

    0Thank You

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