Question

An  element  X  on  reacting  with  oxygen
forms  an  oxide  X2O.  This  Oxide  dissolves
in  water  and  turns  red  litmus  blue.  State
whether  element  X  is  a  metal  or  a  non
metal.  Explain  with  proper  example

MSCERT Class 10 General Science Ch8 Understanding Metals and Non Metals

Answer 1

X is a metal like Na or K.
Sodium combines with Oxygen to form Sodium Oxide [Na2O].Sodium Oxide dissolves in water and forms an alkali , Sodium Hydroxide
[NaOH]. This turns red litmus blue.

Answer 2

Answer:

X is a metal like Na or K.

Sodium combines with Oxygen to form Sodium Oxide [Na2O].Sodium Oxide dissolves in water and forms an alkali , Sodium Hydroxide

[NaOH]. This turns red litmus blue.