12.06.18 (CGPCS) Chhattisgarh Current Affairs

CHHATTISGARH   C’garh only state to distribute rs 700 cr bonus to tendupatta collectors’   Chief Minister Raman Singh inaugurated and performed bhumi-pujan of 21 development works worth nearly Rs 100 crore in the public meeting held at playground of Read More …

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 Read More …