What do you understand by the term hydrogen economy?

What do you understand by the terms (i) hydrogen economy (ii) hydrogenation (iii) 'syngas' (iv) water-gas shift reaction (v) fuel cell?

What do you understand by BOD?

When CuSO_4 is mixed with excess of NH_3 , a deep blue coloured solution is obtained.What do you understand by the term coordination number

What is meant by the term 'hydrogen economy?

What do you understand by the term electrostatic potential ?

What do you understand by the term glycosidic linkage?

Disaccharides give two molecules of the same or different monosaccharide on hydrolysis. What do you understand by the term glycosidic linkage ?

One can determine the direction of electric field around a stationary charge with the help of electric field lines. Br What do you understand by the term .electric flux.? Give its Sl unit.