About 18% of the total production of dihydrogen is from coal. What is 'coal gasification?

About 18% of the total production of dihydrogen is from coal. Write any two uses of dihydrogen.

About 18% of the total production of dihydrogen is from coal. How is dihydrogen produced by a 'water-gas shift reaction'?

How can the production of dihydrogen, obtained from 'coal gasification' be increased?

What about the products?

What about the products?

Write one method each for the laboratory preparation of dihydrogen from I) mineral acid ii) aqueous alkali. Which is the product in this reaction?

In a Biology class related to excretion in the human body, a student gave an opinion that in every minute about 2% of the total blood volume of the body is converted to GFR whereas only 1% of this GFR is eliminated as urine. Evaluate this opinion and sub stantiate your answer.

Write the products obtained by the distillation of coal.