iran-konkur 2024 Q88

iran-konkur · Other · konkur-riazi_1403_ordibehesht_specialized Not Maths
88 -- At which temperature range (in $^\circ$C), two halogens from the periodic table react with hydrogen gas?
(1) $-100$ to $100$(2) $-200$ to $-50$(3) $-700$ to $250$(4) $-200$ to $500$
\textbf{88 --} At which temperature range (in $^\circ$C), two halogens from the periodic table react with hydrogen gas?

\begin{tabular}{llll}
(1) $-100$ to $100$ & (2) $-200$ to $-50$ & (3) $-700$ to $250$ & (4) $-200$ to $500$
\end{tabular}