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Simple Chemical Reaction
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What is compound formed when magnesium react with chlorine?
magnesium chloride
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What is characteristic of physical change?
no new subsntance formed
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Burning a piece of wood is physical or chemical reaction?
chemical reaction
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Name the element formed when magnesium react with oxygen?
magnesium oxide
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melting chocolate is physical reaction or chemical reaction?
physical reaction
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Baking a cake is physical or chemical change?
chemical change
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cooking an egg is physical or chemical reaction?
chemical change
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Heating glass and bent it, is physical or chemical change?
physical change
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Reacction between zink metal and sulfuric acid produce a gas. what is this gas?
Hydrogen
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what is characteristic of chemical change?
new substance is formed
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