Laboratory

Primary Standard Substance The substances which do not react with the components of air (O2, CO2, etc.)  in open state and retained its composition for a…

First condition for the uses of chemical reagent is that reagent should be taken as small amount as possible. Before using the reagents user have…

The concentrated acid reagent bottle are not kept in open state because concentrated acid are more hydrophilic. For this characteristic of the concentrated acid they can…

Generally two types of analytical method are used in laboratory. There are –  (i) Qualitative analysis and (ii) Quantitative analysis. (i) Qualitative analysis : Determination…

General safety rules for the laboratory work are given below : It should be needed to put on the lab coat or apron at first…

Laboratory is an important place where the experiments are done for the development of human beings. Different chemicals are used in the laboratory in each…

Safety glass is an important apparatus that is used in the laboratory to protect the eyes from chemical reagents during different experiments. These types of…

Burette is a measuring apparatus which is glass made long tube. The volume of liquid is measured very accurately during the titration by using the…

In some experiment very poisonous gases are evolved. Due to the presence of these poisonous gases student may suffer from headache, vomiting, tears of eyes.…

Some dangerous symbols are used in the place where the dangerous chemicals are kept. For the dangerous chemical reagents, a specific symbol is used. This…