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Chemistry world "Simplifying Chemistry | Notes, Tips & Tricks | For Students, By a Student"
(3)

27/08/2026

The common ion effect is used in:
A) Increasing solubility
B) Decreasing solubility of sparingly soluble salts
C) Increasing temperature
D) Increasing pressure

behaviour of nitrogen -block elements world@ world # #
27/08/2026

behaviour of nitrogen
-block elements

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27/08/2026

Which oxide is acidic in nature?
A) Na₂O
B) MgO
C) Al₂O₃
D) SO₃

properties of nitrogen family -block elements world@ world@ #
27/08/2026

properties of nitrogen family
-block elements

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reaction world@ world@ #
26/08/2026

reaction

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26/08/2026

Which is a Lewis base?
A) BF₃
B) AlCl₃
C) NH₃
D) H⁺

behaviour of carbon -block elements world@ world # #
26/08/2026

behaviour of carbon
-block elements

world@ world # #

26/08/2026

Which is a Lewis acid?
A) NH₃
B) OH⁻
C) BF₃
D) Cl⁻

family -block elements world@ world # #
26/08/2026

family
-block elements

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substitution reaction world@ world #@
25/08/2026

substitution reaction

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