English Language · English

Sentences of a paragraph are given below. While the first and the last sentences (S1 and S6) are in the correct order, the sentences in between are jumbled up. Arrange the sentences in the correct order to form a meaningful paragraph. (S1) The idea of generating energy from the electro-chemical compound of hydrogen and oxygen can be traced back more than 150 years to the British Physicist Sir William Robert Grove. (A) It obtains directly from a chemical reaction between hydrogen and air. (B) Barely, three years later, in 1842, he improved his design, however his invention did not catch on. (C) In 1839, he constructed a battery which could indeed generate energy directly from hydrogen and oxygen. (D) Daimler Benz of Germany is the first company in the world to introduce a road-worthy electronic car which does not draw its energy from storage batteries. (S6) The energy is generated by means of fuel cells which are fed by two hydrogen tanks.