8th Class Science Coal and Petroleum Question Bank

done Self Test-13

• question_answer1) Coal mainly consists of:

  A) Carbon

  B) Hydrogen

  C) Oxygen

  D) Nitrogen

  E) None of these

  View Answer play_arrow

• question_answer2) When coal is burnt in the air, which one of the following gasses is produced?

  A) Carbon dioxide

  B) Hydrogen

  C) Oxygen

  D) Nitrogen

  E) None of these

  View Answer play_arrow

• question_answer3) Which one of the following is correct about the coal?

  A) Coal is a fossil fuel

  B) Coal was formed from the remains of plants

  C) Coal is used to generate electricity

  D) All of these

  E) None of these

  View Answer play_arrow

• question_answer4) Which one of the following material is obtained when coal is strongly heated in the absence of air?

  A) Coke

  B) Petroleum

  C) Coal tar

  D) Both A and B

  E) Both A and C

  View Answer play_arrow

• question_answer5) Coal gas is mainly a mixture of:

  A) Ethane and methane

  B) Methane and hydrogen

  C) Methane and carbon

  D) Carbon and butane

  E) None of these

  View Answer play_arrow

• question_answer6) Which one of the following is used as reducing agents in the extraction of metals?

  A) Coal gas

  B) Coal tar

  C) Coke

  D) All of these

  E) None of these

  View Answer play_arrow

• question_answer7) Which one of the following statements is correct? Statement 1: Petroleum is soluble in water Statement 2: Petroleum is a complex mixture of compounds of hydrocarbons

  A) Statement 1

  B) Statement 2

  C) Both statements are correct

  D) Both statements are incorrect

  View Answer play_arrow

• question_answer8) Which one of the following is obtained by the refining of petroleum?

  A) Petrol

  B) Kerosene

  C) Diesel

  D) All of these

  E) None of these

  View Answer play_arrow

• question_answer9) Which one of the following fractions obtained by the refining of petroleum is used to make candle?

  A) Bitumen

  B) Lubricating oil

  C) Paraffin wax

  D) Both B and C

  E) None of these

  View Answer play_arrow

• question_answer10) Which one of the following is not correct about LPG?

  A) It burns easily

  B) It has high calorific value

  C) It produces carbon dioxide gas on burning

  D) All of these

  E) None of these

  View Answer play_arrow