16.03.18 Uttarakhand (UKPCS) Current Affairs

UTTARAKHAND   CM launches automated e-gate pass system   In sync with digital India drive, a system of E-gate pass in Uttarakhand secretariat and Vidhan Sabha started.   Under the new system which will operate along with the old system of making gate passes, E-passes of guests, employees and vehicles can be issued from any … Read more 16.03.18 Uttarakhand (UKPCS) Current Affairs

Preparation of nitrogen

  Preparation of nitrogen Nitrogen is found in both free and combined states. It occupies 78.07% by volume. Nitrogen can be prepared: By heating copper in air: Firstly, air is passed through lime water and then concentrated sulphuric acid to make the air free from carbon dioxide and moistures respectively. The air contains only nitrogen … Read more Preparation of nitrogen

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