moles, Chemistry

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Explain about optical rotation, Optical rotation (optical activity) is the ...

Optical rotation (optical activity) is the turning of the plane of linearly polarized light about the direction of motion as the light travels by certain materials. It happens in s

Explain tie-line rule, Explain tie-line rule Tie-line rule is applied t...

Explain tie-line rule Tie-line rule is applied to determine the compositions of two co-existing phases in a binary phase diagram. Tie line is a horizontal line drawn at the tem

Which of the following electronic configuration, Which of the following ele...

Which of the following electronic configuration is not possible: (1)  1s 2 2s 2                           (2)  1s 2 2s 2   2p6                   (3) [Ar]3d 10 4s 2 4

The valence electron in the carbon atom are, The valence electron in the ca...

The valence electron in the carbon atom are: (1) 0        (2) 2          (3) 4       (4) 6 Ans: 4

Illustrate ionic bonds or electrovalent bond, Q. Illustrate Ionic Bonds or ...

Q. Illustrate Ionic Bonds or electrovalent bond? Ans. An ionic bond (also called an electrovalent bond) is the attraction between oppositely charged ions. Elements from o

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Amines, Amines are soluble in organic solvents whereas ammonium salts are n...

Amines are soluble in organic solvents whereas ammonium salts are not. Is it true?   Ans) yes because amine is contain R-NH2 group where R is carbon groups so they are in polar nat

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