Write the Equation for the Following Reaction :

Write the equation for the following reaction :
Zinc oxide is treated with sodium hydroxide solution.

Sum

\[\ce{ZnO + 2NaOH -> Na2ZnO2 + H2O}\]

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Action of Alkalis on Certain Metals

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Chapter 4: Analytical Chemistry - Exercise 6 [Page 90]

Chapter 4 Analytical Chemistry
Exercise 6 | Q 5 | Page 90

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

What do you observe when freshly precipitated aluminium hydroxide reacts with caustic soda solution? Give balanced equation.

Name the metal hydroxides which are:

Sparingly soluble

In caustic soda solution

Name a coloured metallic oxide which dissolves in alkalis to yield colourless solutions.

Name : A yellow monoxide that dissolves in hot and concentrated caustic alkali.

Fill in the blank.
The hydroxide which is soluble in excess of NaOH is _________ [Zn(OH)₂ / Fe(OH)₃ / Fe(OH)₂].

Choose the correct answer from the options given below :
Metal + alkali → salt + _________

What do you see when sodium hydroxide solution is added to zinc sulphate solution, till it is in excess?

Choose the correct answer:
The metal oxide which can react with acid as well as alkali is:

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