Which among the following is used in the breathing equipment for mountaineers?
- A$Na_2O_2$
- B$KO_2$
- C$CaO$
- D$Li_2O$
Explore More
Similar Questions
With the increase in atomic weights,the melting points of the alkali metals:
Easy
View SolutionThe chloride of an element $A$ gives a neutral solution in water. In the periodic table,the element $A$ belongs to
MediumAIIMS 1992
View SolutionSodium reacts more vigorously with water than lithium because...
Easy
View SolutionThe reaction of zinc with an excess of aqueous alkali evolves hydrogen gas and gives:
In the preparation of sodium carbonate,which of the following is used?
Easy
View SolutionVedclass Products
For Students
Vedclass Test Series
Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.
Start Free TrialFor Teachers
Exam Paper Generator
Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.
Try FreeFor Institutes
Online Exam Module
Live online exams with unlimited students, 360° analytics & white-label branding.
See Demo