CHEMICAL EQUTION
Quiz by Mai Mohamed Elwazeer
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5 questions
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- Q1the bright magnesium ribbon changes into a white powder of ................when it burns in air.magnesium nitritemagnesium oxidemagnesium dioxide30s
- Q2the sum of reactant masses in any chemical reaction is ................ the sum of products masses.equal tomore thanless than30s
- Q3..................It is the breaking of the existing bonds between the atoms of the molecules of the reactants and forming new bonds between the atoms of the molecules in the products.Chemical equationmatterChemical reaction30s
- Q4....................It is a set of symbols and chemical formulae representing the reactants and products molecules in the chemical reaction and the chemical conditions of the reaction as well.Chemical equationChemical reactionatomic group30s
- Q5............................. The chemical compound is produced from a chemical combination of atoms of two elements or more by constant weight ratios.Law of Constant RatiosLaw of Conservation of Matter (Mass)Law of Conservation energy30s