ACIDS, BASES, AND SALTS CLASS 9 Maharashtra Board class 9 Question and Answers

Question 1: Identify the odd one out and justify. (a) Chloride, nitrate, hydride, ammonium Odd one out: Ammonium Justification: Chloride (Cl⁻), nitrate (NO₃⁻), and hydride (H⁻) are all negatively charged ions…

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Measurement of matter class 9 Maharashtra board question and answer 

Question 1: Give examples. a. Positive radicalsExamples: Ammonium (NH₄⁺), Hydronium (H₃O⁺) b. Basic radicalsExamples: Sodium (Na⁺), Potassium (K⁺), Calcium (Ca²⁺), Aluminium (Al³⁺) c. Composite radicalsExamples: Nitrate (NO₃⁻), Sulphate (SO₄²⁻), Carbonate…

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