CLASS 9TH, Chemistry

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Periodic table, How do we extract group one alkali metals?

How do we extract group one alkali metals?

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20ml of water sample requires 15ml of 0.1mg/l sodium carbonate using phenolphthalein indicator. state the type of acidity and calculate the acidity

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A Chloroplatinic of a diacid base contain 39% of platinum what is the molecular weight of the base

Determine in a potassium atom, In a potassium atom, electronic energy level...

In a potassium atom, electronic energy levels are in the following order: (1) 4s>3d                              (2) 4s>4p              (3) 4s (4) 4s Ans: 4s

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How many atomic number does have Ne Because Ne has atomic number = 10 and F has atomic number = 9, the neon species that has 9 electrons is Ne+

why completely filled orbitals are extra stable? , There energy becomes le...

There energy becomes lesser due to completely filled orbitals.

Explain phenol and benzoic acid, Write chemical tests to distinguish among:...

Write chemical tests to distinguish among: a) Phenol and Benzoic acid b)  Propanal and propanone c)  Formic acid and Acetic acid

acceptor ligands -p (pi), Most ligands have a nonbonding electron pair tha...

Most ligands have a nonbonding electron pair that may react as a donor to empty orbitals on the metal atom. In ligands known as π acids or π acceptors a donor-acceptor communic

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