GENERAL KNOWLEDGE

GK

CHEMISTRY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Scientists are looking into the decomposition of water (H2O
A
Decomposing water requires a high activation energy.
B
The Sun isn’t a renewable resource.
C
Decomposing water results in toxic byproducts.
D
None of the above
Explanation: 

Detailed explanation-1: -The correct answer is option A. Decomposing water requires high activation energy. Explanation: The decomposition of water needs a lot of electrical energy or heat input, developed from some primary energy source (fossil fuel, for example).

Detailed explanation-2: -Which of these factors make hydrogen fuel cells a better option than burning fossil fuels? Hydrogen fuel cells have a higher energy efficiency. Hydrogen fuel cells create less pollution. Burning fossil fuels relies on outdated devices and technology.

There is 1 question to complete.