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QUIZ START
Results
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#1. If the number of atoms in both the reactant and the product are equal in a reaction, then the equation is called?
#2. If the number of reactants and products are not equal in a reaction, then the equation is called?
#3. The method of using the coefficient of the smallest integer number to balance an unbalanced chemical equation is called?
#4. Which gas is released in the chemical reaction of iron and water?
#5. Which gas is emitted in the process of photosynthesis?
Finish