Class 10 Class 10 A shiny brown-coloured element ‘X’ on heating in the air becomes black in colour. Name the element ‘X’ and the black coloured compound formed
Class 10 Class 10 Explain the following in terms of gain or loss of oxygen with two examples each (a) Oxidation (b) Reduction
Class 10 Class 10 In the refining of silver, the recovery of silver from silver nitrate solution involved displacement by copper metal. Write down the reaction involved
Class 10 Class 10 Write one equation each for decomposition reactions where energy is supplied in the form of heat, light or electricity
Class 10 Class 10 What is the difference between displacement and double displacement reactions? Write equations for these reactions
Class 10 Class 10 Write one equation each for decomposition reactions where energy is supplied in the form of heat, light or electricity
Class 10 Class 10 Why are decomposition reactions called the opposite of combination reactions? Write equations for these reactions
