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No, C8H18 is not an aqueous solution. It is a chemical formula for octane, which is a hydrocarbon compound commonly found in gasoline.
An iodine solution is used.
The hydrocarbon ethene has a chemical formula of C2H4.
The hydrocarbon ethanol has a chemical formula of CH3CH2OH.
The purpose of using starch indicator solution in a chemical reaction is to detect the presence of iodine, which can indicate the completion of the reaction or the presence of specific substances.
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CH4.
A hydrocarbon chemical.
No, acetylene is not a solution. It is a hydrocarbon gas composed of carbon and hydrogen atoms, with the chemical formula C2H2. Solutions typically involve a solute being dissolved in a solvent, but acetylene exists as a pure gas under normal conditions.
The general chemical equation for the complete combustion of a hydrocarbon is: Hydrocarbon + O2 -> CO2 + H2O For example, the combustion of methane (CH4) can be represented as: CH4 + 2O2 -> CO2 + 2H2O
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Lugol's solution is a reagent commonly used to detect the presence of starch. It cannot detect simple sugars because its active ingredient, iodine, does not react with simple sugars like glucose or fructose. Simple sugars do not contain the necessary chemical structure for the iodine in Lugol's solution to form a complex with, so they remain undetected in this test.