
Post Test: Module 4 SCI10-Science 10 4Q KNHS
QuizΒ by Jerald U. Carilla
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1. Which is NOT TRUE about the Laws of Conservation of Mass and Matter.
I. The mass of raw materials is not equal to the mass of the product.
II. There is a change in the type of elements before and after the reaction.
III. The mass and type of atoms of the reactant/s are not the same as the mass and type of atoms present in the product/s.
2. In the equation 2FeSO4(s) + Heat β Fe2O3(s) + SO2 (g)+ SO3(g)
3. Based on this unbalanced equation CaCO3 β ____+ CO2,what would be the other product?
4. What are the possible products when two aqueous ionic solution combine chemically?
I. Water
II. Gas
III. An insoluble solid
5. The products derived from a combustion reaction are _____.?
6. Magnesium has an oxidation state of +2 and oxygen has -2. What would be the product, if these ions are combined?
7. What would NOT indicate that the chemical equation is balanced?
8. If the products of a double displacement reaction are AgCl(s) + NaNO3(aq), the reactants must be ____.
9. The other product for this equation 2 HCl(aq) + Zn(s) β ZnCl2(aq) + ____is
10. Predict the products of this equation MgCl2 + I2 β?