Coal and Petroleum (Class - VIII)
| Description: Coal and Petroleum | |
| Number of Questions: 15 | |
| Created by: Naresh Verma | |
| Tags: Coal and Petroleum Coal - Its Discoveries Natural Gas Social Science Petroleum Petroleum and the Process of Refining Natural Gas, a Natural Resource Classification of Resources Coal - its Discovery and its Products |
The petroleum gas that has been liquified under pressure is called liquified petroleum gas. It mainly consists of
Which of the following is the slow process by which the dead plants buried deep under the earth become coal?
Natural gas contains about 95% methane. Which of the following are the other gases that make the rest of natural gas?
a. Ethane b. Propane c. Propene d. Ethylene
Which of the following gases occur(s) deep under the crust of earth either alone or along with oil above the petroleum deposits?
a. Coal gas b. Natural gas c. Petroleum gas
Most of the energy comes mainly from the exhaustible resources. Which of the following are the exhaustible resources?
a. Petroleum b. Coal c. Biogas d. Natural gas
When natural gas is strongly heated, which of the following gases present in it decompose(s) to form carbon and hydrogen?
a. Methane b. Ethane c. Propane
Which of the following is/are used as a reducing agent in the extraction of metals like iron and zinc?
a. Coal gas b. Coal tar c. Coke
Which of the following products of petroleum is used as a solvent for drycleaning?
Coal gas is obtained by strong heating of coal in the absence of air. It is a mixture of which of the following gases?
a. Methane b. Hydrogen c. Carbon monoxide d. Carbon dioxide
Which of the following statements is/are false?
a. The various compounds present in coal tar are separated by the process of destructive distillation. b. Coal gas is an excellent fuel because all the gases present in it can burn to produce heat. c. Coke is an almost pure form of carbon as it contains 98 % carbon.
Petroleum is refined to get its fractions. Which of the following is not a fraction of petroleum?
The burning of fossil fuels is linked to global warming because these fuels produce greenhouse gas. Which of the following is a greenhouse gas?
Fossil fuels are the natural fuels that were formed from the remains of organisms buried under the earth long, long ago. The buried remains of tiny marine plants and animals were converted into which of the following fossil fuels?
a. Coal b. Petroleum c. Natural gas
Which of the following gases is mainly produced when coal burns?
Which of the following statements is/are false?
a. The real source of energy of coal is the solar energy. b. The strong heating of coal in the absence of air is called destructive distillation. c. The useful carbon compounds present in coal gas include benzene, toluene and naphthalene.