Description : _______ is an alternative source of energy . a) coal b)tidal energy c)petroleum d)fuel oil
Last Answer : b)tidal energy
Description : Which among them is cleaner fuel –coal , LPG, Diesel , kerosene ? a) coal b)LPG c)diesel d)kerosene
Last Answer : b)LPG
Description : _______ is one of the product formed during refining of petroleum which is black and sticky solid used for making roads. a) paraffin wax b)asphalt c)kerosene d) gasoline
Last Answer : b)asphalt
Description : The strong heating of coal in absence of air is known as _______. a) destructive distillation b)refining c)combustion d)burning
Last Answer : a) destructive distillation
Description : ______ fuel formed by action of heat and pressure on the remains of dead plants and animal . a) fossil b)water c)battery d)none
Last Answer : a) fossil
Description : A _______ source of energy is a natural resource that can replenish itself naturally over a short period of time. a) non-renewable b)exhaustible c)renewable d)chemical
Last Answer : c)renewable