Question

Metals generally do not react with bases but a metal x reacts with base
NaOH to form a salt y. Also gaseous bubbles are seen when it is heated.
A) Identify x and y.
B) Write the balanced chemical equation.
C) Name the gas and write the test to identify it.

Answer 1

Answer:

a) x= aluminium

y=NaAlO2

.

b) 2Al + 2NaOH + 2H2O → 2NaAlO2 + 3H2

.

c)hydrogen.Hydrogen ignites in air. If hydrogen is present in a test tube, a lighted splint held near its mouth ignites with a squeaky pop.