Which of the following is not decomposed by heat? by Sunday | Aug 25 | Chemistry WAEC | 0 comments A. CaCO3 B. CuCO3 C. ZnCO3 D. Na2CO3 E. MgCO3 Correct Answer: Option D – Na2CO3 Users Also Read These:The process by which organic matter is decomposed…The statement 'Heat lost by the hot body equals that…0.5kg of water at 10ºC is completely converted to…What volume of hydrogen will be produced if 100cm³…Calculate the quantity of heat needed to change the…