laboratory apparatus found in the laboratory room

Laboratory Preparation of Oxygen - Any of the above mentioned methods could be used to prepare oxygen in the laboratory. Mercuric and silver oxides are not used for the preparation of oxygen, as they are very expensive. For the laboratory preparation of oxygen from any..

By treating sodium sulphite or bisulphite with dilute sulphuric acid or hydrochloric acid - The apparatus is set up as shown in figure 7.1. Sodium sulphite or bisulphite is taken in a round bottom flask. Dilute sulphuric or hydrochloric acid is added through the dropping funnel and heated..

Nitric acid is usually prepared by heating potassium nitrate with concentrated sulphuric acid. This heating is done in a glass retort and vapors of nitric acid are condensed in a receiver, which is cooled by water. The reaction is:..

Sodium bicarbonate is prepared in the laboratory by saturating a cold solution of sodium carbonate with carbon dioxide. Sodium bicarbonate separates as white crystals. This is because it is very sparingly soluble in wate..

In laboratory, calcium sulphate is prepared by the action of sulphuric acid on calcium chloride, calcium oxide or calcium carbonate. ..

Any of the methods listed below, can be used to prepare chlorine in the laboratory..

In the laboratory, alkenes are usually prepared from either alcohols or haloalkanes (alkyl halide..

Hydrogen is prepared in the laboratory by treating granulated zinc with dilute sulphuric acid or dilute hydrochloric acid in col..

Laboratory Preparation of Alkynes - There are only a few methods available for the preparation of alkynes, in contrast to alkanes and alkenes. These are given bel..

For use in the laboratory, ammonia is prepared by heating an ammonium salt with a strong base. It can also be prepared by reacting a metal nitride with water. All ammonium salts heated with alkali evolve ammonia. Ammonium nitrate is not used in laboratory preparation, since it i..