5th grade chemistry tutor

Voltage: 1.25V to 1.5 V It does not have a long life because the acidic NH 4 Cl corrodes the Zinc container. fig 5.14 - The Dry ce..

3rd Period n = 3 Long period 8 Atomic number 11 to 18 4th Period n= 4 Long period 18 Atomic number 19 to 36 5th Period n = 5 Long period 18 Atomic number 37 to 54 *6th Period n = 6 Long period 32 Atomic number 55 to 86 ..

Tracer technique is used a) To find the solubility of sparingly soluble salt like lead sulphate. A lead salt containing known amount of radioactive lead is dissolved in water. Sulphuric acid is added to the aqueous solution to precipitate lead as lead sulphate...

Simply stated, Green chemistry is the use of chemistry for preventing environment pollution in order to protect human health. It may give the impression that it is branch of chemistry involving plants, which is not tru..

Introduction - Organic chemistry is that branch of chemistry which deals with the study of compounds of carbon with hydrogen (hydrocarbons), and their derivatives. Presently about five million organic compounds are know..

The branch of science, which deals with the study of matter, its composition, its properties and the changes that it undergoes in composition as well as in energy during various processes, is defined as chemistry. It has been further divided into different branches depending upon speciali..

The branch of science, which deals with the study of matter, its composition, its properties and the changes that it undergoes in composition as well as in energy during various processes, is defined as chemistry. It has been further divided into different branches depending upon sp..

Environmental Chemistry..

Surface Chemistry..

Buffers find extensive use in analytical chemistry, viz., both in qualitative and quantitative analysis. For example, qualitative analysis of Group III and Group IV is done in solutions buffered by NH 4 Cl + NH 4 OH. Buffers are used in the removal of interfering radicals such as phospha..