The wick in a spirit lamp does not burn while the spirit in it burns. Give two reasons for the wick not burning.
The wick in a spirit lamp does not burn while the spirit in it burns because:
(i) The ignition temperature of wick is higher than that of spirit.
(ii) The heat produced by the burning of spirit is quickly transferred to the surroundings and, therefore, the temperature of wick remains below its ignition temperature.
How is acid rain formed ?
State two disadvantages of incomplete combustion.
What should be done to control fire due to oils ?
How does water help in extinguishing the fire ?
