Class 11 Chemistry s-Block Elements Alkali metals

Medium

Oxygen gas can be prepared from solid $KMnO_4$ by

A
Strongly heating the solid
B
Treating the solid with $H_2$ gas
C
Dissolving the solid in dil. $H_2SO_4$
D
Dissolving the solid in dil. $HCl$

Explore More

Browse All

Question Bank

All Subjects

Class 11 Questions

Class 11

Chemistry Questions

Chapter

s-Block Elements

Subtopic

Alkali metals

Similar Questions

With the increase in atomic weights,the melting points of the alkali metals:

Easy

Explain why alkali and alkaline earth metals cannot be obtained by chemical reduction methods?

Easy

What is produced when $Mg$ burns in $CO_2$?

Easy

Which of the following is the reason why sodium metal conducts electricity?

Easy

If the atomic number of an element is $37$,then the block and group of that element will be respectively ...

Medium

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial

For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.