Crude oils and fuels 0.0 / 5 ? ChemistryCrude oil, cracking and hydrocarbonsGCSEAQA Created by: laurenvautreyCreated on: 17-05-17 20:35 What is the process by which crude oil is separated? Fractional distillation/ distillation 1 of 12 What are most of the compounds found in crude oil1/ Hydrocarbons. 2 of 12 When pure hydrocarbons burn they are oxidised to make what? carbon dioxide and water. 3 of 12 In a limited supply of air, incomplete combustion may produce what? Carbon monoxide. 4 of 12 When fossil fuels burn the sulfur compounds turn into what? What does it cause? Sulfur dioxide, causing acid rain. 5 of 12 What do sulfur dioxide and nitrogen oxide cause? Acid rain. 6 of 12 How is carbon monoxide and nitrogen oxides removed from waste gases? exhaust systems of cars are fitted with catalytic converters 7 of 12 What are biofuels made up from? Plant or animal products. 8 of 12 What is biodiesel made up from? vegetable oils extracted from plants. 9 of 12 What is an advantage of biodiesel? It barely contributes to carbon dioxide levels. 10 of 12 Why is this? The carbon dioxide given off when it burns was taken from the atmosphere by plants as they grew. 11 of 12 What is the disadvantage? The plants that are grown for biodiesel take up large areas of farmland. 12 of 12
Comments
No comments have yet been made