When a Metallic Oxide is Dissolved in Water, the Solution Formed Has a High Concentration of ____________ Ions

When a metallic oxide is dissolved in water, the solution formed has a high concentration of ____________ ions (H⁺, h₃O⁺, OH^-)

When a metal oxide is dissolved in water, the solution formed has a high concentration of OH^-

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Action of Alkalis on Certain Metals

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2016-2017 (March) Set 1

Q 1.1 | 5 marks

Give a chemical test to distinguish between the given pair of chemicals:

Lead nitrate solution and zinc nitrate solution.

Name

a metallic hydroxide soluble in excess of NH₄OH.

Name a weak alkali.

Name two colourless metal ions.

Name a metal that evolves a gas which burns with a pop sound when boiled with alkali solutions.

Name the metal hydroxides which are:

Sparingly soluble

In caustic soda solution

Name: A weak alkali.

Name: Two bases which are not alkalis but dissolve in strong alkalis.

Write balanced equations for a metal that evolves into a gas which burns with a pop sound when boiled with alkali solutions.

Write balanced equations for a metal that evolves a gas which burns with a pop sound when boiled with alkali solutions.