Coal & Petroleum

Coal and Petroleum Worksheet-1

1. Which of the following is a fossil fuel?

(a) Petroleum   (b) Wood           (c) Cow dung    (d) Dry leaves

2. Which among the following is a dark coloured, viscous, strong smelling liquid?

(a) Kerosene     (b) Petrol           (c) Petroleum   (d) Alcohol

3. Natural gas occurs:

(a) above the petroleum oil

(b) below the petroleum oil

(c) along with the petroleum oil

(d) none of these

Coal and Petroleum Worksheet-2

1. Which fraction of petroleum has highest boiling point?

(a) Kerosene     (b) Gasoline      (c) Ether            (d) Gas oil

2. Which of the following is used as fuel?

(a) Gasoline      (b) Ether            (c) Pitch tar       (d) Grease

3. Coal is formed by the process of:

(a) carbonisation                          (b) distillation

(c) vapourisation                          (d) evaporation

Coal and Petroleum Worksheet-3

1. Natural gas mainly consists of:

(a) C₂H₆             (b) CH₄              (c) C₃H₈             (d) C₄H₁₀

2. Gobar gas produced from animal and plant waste contains:

(a) ethane          (b) methane      (c) propane       (d) acetylene

3. 2C + O₂ + 4N₂ → ?

(a) 2CO + 2N₂  (b) CO + H₂      (c) CO + CH₄    (d) CO + NO₂