Microbial fuel cells are considered a source of sustainable energy. Why ? 1. They use living organisms as catalysts to generate electricity from certain substrates. 2. They use a variety of inorganic materials as substrates. 3. They can be installed in waste water treatment plants to cleanse water and produce electricity. Which of the statements given above is/ are correct ?

Which of the statement given above is/are correct?

What is/are the full form(s) of HMX? 1. High Melting Explosive 2. High-Density Monoatomic Xenon 3. Hedge Monetizing Xenocurrency 4. Her Majesty’s Explosive Select the correct answer using the codes g…

Which one of the following statements about biogas is not correct?

To avoid ‘knocking’ of the engine of a car, which one of the following is used as an anti-knocking agent?

Hydrogen fuel cell vehicles produce one of the following as 'exhaust'-