Hydrogen is regarded as the fuel of the future because
AIt cannot be produced in large quantities
BIt is the costliest fuel in the world today
CIts combustion gives only water with no pollution
DIt is found only on the surface of the moon
Answer & Solution
Correct answer: C. Its combustion gives only water with no pollution
1. The chapter introduces hydrogen as the future mass fuel.
2. Burning H2 yields only water as product.
3. It releases no CO2, SO2 or other pollutants.
4. Hence it is regarded as a clean fuel for the future.
_Source: Selina Concise Chemistry Class 8, Ch on Hydrogen (Mistral OCR'd PDF), section on hydrogen as future fuel_
Related questions
Hydrogen has valency 1 because its atom hasWhy is hydrogen filled in weather balloons rather than helium in many cases?Hydrogen reduces hot copper(II) oxide to giveWhen iron is heated with steam at very high temperature, the products areWhen hot magnesium metal is heated with steam, the gas evolved isHydrogenation of vegetable oils producesHydrogen is used in industry mainly forWhen a mixture of hydrogen and oxygen is sparked, the reaction is