In the experimental set-up for electrolysis of water, hydrogen and oxygen gases are produced at the cathode and anode respectively. Mention the ratio of the volumes of hydrogen and oxygen gases.
Important Questions on Chemical Reactions and Equations
What is observed when a solution of potassium iodide is added to a solution of lead nitrate taken in a test tube?
A solution of potassium iodide is added to a solution of lead nitrate taken in a test tube. What type of reaction is this?
A solution of potassium iodide is added to a solution of lead nitrate taken in a test tube. Write a balanced equation to represent the reaction.
When lead nitrate powder is heated, which colour fumes are evolved? Also, name the gas evolved.
State three applications of a decomposition reaction.
With the help of an activity, show that the reaction between calcium oxide (lime) and water is an exothermic reaction.
