Give at least 2 significant examples of chemical reactions that falls on change in intrinsic properties and production of light. 2. Enumerate chemical reaction that may bring benefit or harm to life as well as to environment. Give 1 example for beneficial and 1 for harmful 3. Given the statements, write the chemical equation and label the reactant and product a. Aluminum (Al) reacts to oxygen (O2) to form Aluminum oxide (Al2O3). b. The reaction of sulfuric acid (H2SO4) and sodium hydroxide to produce sodium sulfate (Na2SO4) and water

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