What are the Conditions Necessary for CombustionConditions Necessary for CombustionThe following conditions are necessary for combustion to take place.Presence of a combustible substance: Combustion is only possible if the substance is combustible.Presen…

What are the Types of CombustionCombustionThe process of burning of a substance in the presence of air or oxygen with the liberation of heat and light is called combustion. Substances can be classified as combustible or non-combustible, depending on whet…

How does the temperature affect the rate of a chemical reaction? Effect of temperature on the rate of reaction: When the temperature increases, the rate of reaction also increases.(a) For example, two sets of experiments are carried out using the reactin…

How does the size of particles affect the rate of reaction?Effect of surface area on the rate of reaction:When the particle size of a fixed mass of a solid reactant becomes smaller, the total exposed surface area becomes larger, the rate of reaction incr…

Classification of HydrocarbonsThe compounds containing only carbon and hydrogen in their molecules are called hydrocarbons. Hydrocarbons are classified into two categories known as open chain hydrocarbons and closed chain hydrocarbons. Open chain hydroc…

What are the Uses of ElectrolysisUses of ElectrolysisThe process of electrolysis has many important industrial applications. Some of them are as follows:Electrolysis is used in industry for the production of many metals and non-metals (e.g., aluminium, …

How does the collision theory affect the rate of reaction? Explaining the effect of size of a solid reactant/surface area on the rate of reaction using collision theoryWhen the size of a fixed mass of a solid reactant decreases, the rate of reaction incr…

What is the Process of ElectrolysisElectrolysisThe production of a chemical reaction by passing an electric current through an electrolyte is called electrolysis.We know that an electrolyte contains ions, which are charged. The positively charged ions a…

What is the Conductivity of WaterElectrical ConductivityThe measure of the ability of a substance to allow the flow of an electric current is called electrical conductivity. Substances that are good conductors have high electrical conductivity as compare…

How does the energy level diagram show this reaction is exothermic? Energy profile diagrams for endothermic and exothermic reactionsEvery chemical substance has a certain amount of chemical energy. This energy is given the symbol H and is different for …