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Which of the Following Reactions Can Be Used for Small-Scale

Question 5

Multiple Choice

Which of the following reactions can be used for small-scale (laboratory) production of H2:
(i) Copper and concentrated HCl.
(ii) Aluminium and warm concentrated NaOH solution.
(iii) Group 17 hydride and water.


A) (i) and (iii)
B) Only (i)
C) Only (ii)

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