Chemistry

Which acid is used for coagulating rubber from latex? Coagulation process of latex:The milky fluid obtained from tapped rubber trees is called latex.It consists of an aqueous suspension of colloidal rubber particles.Each rubber particle is…

Describe how to write a formula for a covalent compoundMethod to deduce the formulae of covalent compoundsNon-metals combine with non-metals to form covalent compounds. Table shows the number of electrons needed by an atom of a non-metal to…

Describe how to write a formula for a covalent compoundMethod to deduce the formulae of covalent compoundsNon-metals combine with non-metals to form covalent compounds. Table shows the number of electrons needed by an atom of a non-metal to…

How Acid rain is formed equations?Formation of acid rain:Sulphur dioxide accounts for most of the acid rain problems. (a) When sulphur dioxide dissolves in water, sulphurous acid is formed. SO2(g) + H2O(l) → H2SO3(aq) (b) Sulphur dioxide…

How Acid rain is formed equations?Formation of acid rain:Sulphur dioxide accounts for most of the acid rain problems. (a) When sulphur dioxide dissolves in water, sulphurous acid is formed. SO2(g) + H2O(l) → H2SO3(aq) (b) Sulphur dioxide…

Physical and Chemical Properties of Group 18 ElementsElements in Group 18 of the Periodic Table are: Helium, Neon, Argon, Krypton, Xenon, Radon These elements are known as noble gases.Physical properties of noble gases1. Table shows some…

Physical and Chemical Properties of Group 18 ElementsElements in Group 18 of the Periodic Table are: Helium, Neon, Argon, Krypton, Xenon, Radon These elements are known as noble gases.Physical properties of noble gases1. Table shows some…

What are the properties of a pure metal?Pure Metals: Typical pure metals have the following physical properties:Ductile- can be drawn into fine wireMalleable- can be beaten into thin sheets without crackingLustrous- becomes shiny when…

What is meant by the calorific value of a fuel? Fuels are substances that can normally burn readily in air or oxygen to produce large quantity of heat.Examples of some common fuels are petroleum, natural gas and coal. These are called…

Justify the uses of synthetic polymers in daily lifeSynthetic 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…