Available Answers

1. 1.

   Write the fuel used for performing the activities shown in each picture.

   

2. 2.

   Fill in the blanks.

   1. Petroleum is also called _______________.
   2. Coal contains carbon, _______________ and _______________.
   3. The process of converting plant debris into coal is called _______________.
   4. The _______________ of coal produces coke, coal tar and coal gas.
   5. _______________ is the variety of coal which has maximum carbon content.
3. 3.

   Tick (√) the correct options.

   1. Fossil fuels are
      1. renewable and inexhaustible
      2. renewable and exhaustible
      3. non-renewable but inexhaustible
      4. non-renewable and exhaustible
   2. Coal contains
      1. carbon and methane
      2. carbon, hydrogen and nitrogen
      3. only carbon
      4. none of the above
   3. Which of these sources of energy will never get exhausted?
      1. Coal
      2. Petroleum
      3. Sun
      4. Natural gas
   4. Coal tar is an important constituent of
      1. naphthalene balls
      2. pesticides
      3. dyes
      4. all the above
   5. Which of these contains the maximum amount of carbon?
      1. Petrol
      2. Anthracite
      3. Lignite
      4. Bituminous
4. 4.

   Give two examples each of the following.

   1. Types of coal
   2. Products of coal processing
   3. Types of petroleum products
   4. Types of fossil fuels
   5. Gases produced by burning fossil fuels
5. 5.

   Match the columns.

   COLUMN A	COLUMN B
   1. Fossil fuels	a. ointments
   2. Fractional distillation	b. for making roads
   3. Paraffin wax	c. fossils of plants and animals
   4. Coal tar	d. fuel for vehicles
   5. Petrol	e. refinery

    

6. 6.

   What is petroleum?