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Arcticturn Chem Prep

Revision as of 17:17, 27 December 2024 by Arcticturn (talk | contribs) (→‎2024)

2024

$8$. Which substance may be treated with bleach (sodium hypochlorite) to render it less hazardous?

$\textbf{(A)}~$ Sodium Cyanide$\qquad\textbf{(B)}~$ Ammonia$\qquad\textbf{(C)}~$ Hydrochloric acid $\qquad\textbf{(D)}~$ Ozone


$9$. Which indicator would be most suitable for a titration to determine the concentration of ammonia in a window cleaning solution using aqueous HCl?

$\textbf{(A)}~$ Eriochrome Black T$\qquad\textbf{(B)}~$ Ferroin$\qquad\textbf{(C)}~$ Methyl orange $\qquad\textbf{(D)}~$ Phenolphthalein

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