Which of the following is a solid fuel?A.KeroseneB.LPGC.CharcoalD.Methane

Let’s break down each option to determine which one is a solid fuel:

A. Kerosene – Kerosene is a liquid hydrocarbon fuel used mainly for jet engines and heating. It is not a solid fuel.

B. LPG (Liquefied Petroleum Gas) – LPG is a mixture of propane and butane gases that are liquefied under pressure. It is used as a fuel for heating and cooking but is in liquid form under normal conditions. Thus, it is not a solid fuel.

C. Charcoal – Charcoal is a solid fuel that is produced by heating wood or other organic material in the absence of air. It is commonly used in grilling and heating.

D. Methane – Methane is a gas at room temperature and pressure. It is a primary component of natural gas and is used as a fuel in its gaseous state.

Explanation: Solid fuels are substances that remain solid at room temperature and are used as a source of energy through combustion. Among the given options, charcoal is the only one that is a solid at room temperature and is used as a fuel in its solid form.

Answer: C. Charcoal