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question_answer1) Coal mainly consists of:
question_answer2) When coal is burnt in the air, which one of the following gasses is produced?
question_answer3) Which one of the following is correct about the coal?
question_answer4) Which one of the following material is obtained when coal is strongly heated in the absence of air?
question_answer5) Coal gas is mainly a mixture of:
question_answer6) Which one of the following is used as reducing agents in the extraction of metals?
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
question_answer8) Which one of the following is obtained by the refining of petroleum?
question_answer9) Which one of the following fractions obtained by the refining of petroleum is used to make candle?
question_answer10) Which one of the following is not correct about LPG?
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