Methods Of Separation Of Substances Under Wet Conditions Some solid particles are insoluble in water. For example chalk powder, dust particles, sand, and tiny pieces of straw are insoluble in water. To separate this type of particles generally we use the following methods Sedimentation and Decantation Have you seen pulses being washed in your home? When pulses are kept in a … [Read more...] about Methods Of Separation Of Substances Under Wet Conditions
Chemistry
Methods Of Separation Of Substances Under Dry Conditions
Methods Of Separation Of Substances Under Dry Conditions Different methods are used for separating different substances that are mixed together such as handpicking, threshing, winnowing and sieving. Threshing Grains or seeds of plants like rice and wheat serve as sources of food. The flour (atta) that is used for making chapattis is made from wheat grains. After these crops … [Read more...] about Methods Of Separation Of Substances Under Dry Conditions
What Is A Solution And How Does It Relate To Solubility
SOLUTION AND SOLUBILITY When some salt is added to water and stirred, the salt disappears. This is because the salt has dissolved in the water. Dissolving is a change where substances mix completely with the liquid they have been added to. Not all substances dissolve in water. Only some substances like salt and sugar, dissolve in water and are known as soluble substances. … [Read more...] about What Is A Solution And How Does It Relate To Solubility
Physical Properties Of Metals And Nonmetals
Physical Properties Of Metals And Nonmetals Different elements have different properties. These properties can make these elements suitable for various purposes. Elements can be classified into two broad categories: metals and non-metals. Aluminium and mercury are examples of metals. Diamond and oxygen are examples of non-metals. Let us learn about physical and chemical … [Read more...] about Physical Properties Of Metals And Nonmetals
Justify the uses of synthetic polymers in daily life
Justify the uses of synthetic polymers in daily life Synthetic polymers in daily life:Synthetic polymers have been widely used to replace many other building materials such as stones, metals, wood, clay, cotton, wool and natural rubber. Synthetic polymers are very stable. Unlike metals, wood or paper, they do not rust, rot or decay easily in the presence of water, … [Read more...] about Justify the uses of synthetic polymers in daily life