Give reasons : Sodium, potassium and lithium are stored under oil.
Give reasons : Sodium, potassium and lithium are stored under oil.
Sodium, potassium, and lithium are very reactive metals and react very vigorously with air as well as water. Therefore, they are kept immersed in kerosene oil in order to prevent their contact with air and moisture.
Similar Questions
Give reasons why copper is used to make hot water tanks and not steel (an alloy of iron).
Give reasons why copper is used to make hot water tanks and not steel (an alloy of iron).
Which gas is produced when dilute hydrochloric acid is added to a reactive metal? Write the chemical reaction when iron reacts with dilute $H_2SO_4$.
Which gas is produced when dilute hydrochloric acid is added to a reactive metal? Write the chemical reaction when iron reacts with dilute $H_2SO_4$.
Name two metals which will displace hydrogen from dilute acids, and two metals which will not.
Name two metals which will displace hydrogen from dilute acids, and two metals which will not.
Which of the following methods is suitable for preventing an iron frying pan from rusting ?
Which of the following methods is suitable for preventing an iron frying pan from rusting ?
Give an example of a metal which
$(i)$ is a liquid at room temperature.
$(ii)$ can be easily cut with a knife.
$(iii)$ is the best conductor of heat.
$(iv)$ is a poor conduct of heat.
Give an example of a metal which
$(i)$ is a liquid at room temperature.
$(ii)$ can be easily cut with a knife.
$(iii)$ is the best conductor of heat.
$(iv)$ is a poor conduct of heat.