Water is a polar molecule: the oxygen atom with its unshared electrons carries a partial negative charge (δ−) of ___________, and the hydrogen atoms each carry a partial positive charge (δ+) of __________, where e is the charge of the electron.

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#Question id: 20154

#XL - P Chemistry

If r is the radius of first orbit, the radius of nth orbit of the H atom will be

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#Question id: 10818

#XL - T Zoology

Which of these relationships is generally not considered one that underlies community structure?

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#Question id: 18553

#XL - R Botany

Sugarcane research institute, Coimbatore has developed red rot resistant varieties as

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#Question id: 8914

#XL - T Zoology

Which of the following is (are) unique to animals?

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#Question id: 11744

#XL - R Botany

Large pores in cell walls are the prominent feature of sieve elements, the sieve area pores range in diameter from