
Q4 MODULE 4 POST TEST
Quiz by SHELDON DALA
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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. the equation 2FeSO4(s) + Heat → Fe2O3(s) + SO2  (g)+ SO3(g)
3. Based on this unbalanced equationCaCO3Ã Â Â Â Â Â Â Â Â Â + 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.          Aninsoluble solid
5. The products derived from combustion reactions are             .?
6. Magnesium has an oxidationstate 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 equation2 HCl(aq) + Zn(s) → ZnCl2(aq) +            is
10.  Predict the products of this equationMgCl2 + I2 →?