1 2 occur? If so, what is the product of the reaction?A) No B) Yes, Br(OH)2 C) Yes, CaNa D) Yes, Ca(OH)2 2 <![CDATA[<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/007874637x/514761/tab9_4.jpg','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (73.0K)</a>]]> A) combustion B) decomposition C) replacement D) synthesis 3 3 → CaO + CO2 A) synthesis reaction B) decomposition reaction C) single-replacement reaction D) double-replacement reaction 4 <![CDATA[<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/007874637x/514762/fig9_13.jpg','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (25.0K)</a>]]> A) 2Fe(s) + Al2 O3(s) → Fe2 O3(s) + 2Al(s) B) 2Al(s) + Fe2 O3(s) → Al2 O3(s) + 2Fe(s) C) 3Fe(s) + 2Al2 O3(s) → 3Fe2 O3(s) + 2Al(s) D) 3Al(s) + Fe2 O3(s) → 3Al2 O3(s) + 2Fe(s) 5 2 O2 , changes in the presence of a catalyst in the following reaction. What type of chemical reaction is this?2 O2(aq) → 2H2 O(l) + O2(g) A) synthesis reaction B) combustion reaction C) decomposition reaction D) single replacement reaction
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