atom, Chemistry

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mass of atom

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Separation techniquics using solute and solvent, suppose n mmol of solute A...

suppose n mmol of solute A in Vaq ml of aqueous solution is extracted with Vorg ml of animmiscible organic solvent. at equilibrium n1 mmol of A will remain in the aqueous layer and

Iodoform, chemical equation of K2CO3+CH#CH@OH+I2

chemical equation of K2CO3+CH#CH@OH+I2

Sodium aluminates is a better coagulates then alum, Q.   why is sodium alum...

Q.   why is sodium aluminates is a better coagulates then ferrous sulphates or alum? Ans. Sodium aluminates (NaAlO 2 ): It is better coagulant than FeSO 4 and alum because i

#title. chemical bonding., sometimes we put a coordinate bond or sometimes ...

sometimes we put a coordinate bond or sometimes we put a double bond in between s and a nonprotonated o atom in the structure of h2so4.is there any diifference in between these two

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

Who modified bohr''s theory by introducing elliptical orbits, Who modified ...

Who modified Bohr's theory by introducing elliptical orbits for electron path: (1) Hund (2) Thomson (3) Rutherford (4) Sommerfield Ans: Sommerfield

Chemical combination, the verification of the law of chemical combination

the verification of the law of chemical combination

In the transition of zn atoms, In the transition of Zn  atoms to Zn ++ ion...

In the transition of Zn  atoms to Zn ++ ions there is a decrease in the: (1) Number of valency electrons (2) Atomic weight (3) Atomic number (4) Equivalent weight A

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