Which of the Following Reactions Is a Good Small-Scale Laboratory

question 8

Multiple Choice

Which of the following reactions is a good small-scale laboratory method for preparation of hydrogen?

• A) CH₄(g) + H₂O(g)  CO(g) + 3H₂(g)
• B) 3FeCl₂(s) + 4H₂O(g)  Fe₃O₄(s) + 6HCl(g) + H₂(g)
• C) NaH(s) + H₂O(l)  NaOH(aq) + H₂(g)
• D) CO(g) + H₂O (g)  CO₂(g) + H₂(g)
• E) None of the above methods is useful.

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Definitions:

Regular Aerobic Exercise

Physical activity that involves the use of oxygen to fuel energy production over a sustained period, improving cardiovascular health.

Memory Improvement

Techniques or strategies aimed at enhancing an individual's ability to remember information.

Random Assignment

A method used in experiments where participants are allocated to different groups in a way that each has an equal chance of being assigned to any group, ensuring variability is spread out evenly.

Experimental Groups

Groups in an experimental study that receive the treatment or intervention being tested, as opposed to control groups.