Preparation of Oxygen

Preparation of Oxygen Oxygen is prepared in lab generally in two ways either by the application of heat or no application of heat. Using heat: Oxygen in lab is prepared by heating the mixture of powdered potassium chlorate and manganese dioxide in the ratio 4:1 in a hard glass test tube. The oxygen gas is … Read more

Refining of ores Metallurgy

 Refining of ores Metallurgy Metallurgy Metallurgy is the process of obtaining metals from ores. It may be defined as the processes which are involved in the extraction of metals from their ores and then refining them for use are known as metallurgy. Steps of Metallurgy: Metals can be extracted from their ores by following processes: Enrichment of … Read more


Alloy You might see the word alloy described as a “mixture of metals”, but that’s a little bit misleading because some alloys contain only one metal and it’s mixed in with other substances that are nonmetals (cast iron, for example, is an alloy made of just one metal, iron, mixed with one nonmetal, carbon). The … Read more

Hope we have satisfied your need for BPSC Prelims and Mains Preparation

Kindly review us to serve even better

BPSC Mains Test Series 2022

20 Quality mock tests and GS Mains Notes

Mains Test Series and Notes (With Evaluation and Skill Enhancement)

Mains Printed Notes (With COD)

Mains PDF Notes (Digital)

For Any Suggestion’s and Updates kindly Comments your doubts Here

Subscribe to BPSC Notes

Never Miss any BPSC important update!

Join 8,631 other subscribers

error: Content is protected !!