REVIEW CATEGORY
Who is the French chemist credited with his discovery when he described the principles of mass or matter conservation?
A. Isaac Newton
B. Antoine Lavoisier
C. Dmitri Mendeleev
D. Robert Hooke
B. Antoine Lavoisier
Which of the following definitions refers to mass?
A. Measures the amount of matter in a substance or an object
B. Measures the amount of space occupied by a sample of matter
C. Measures the duration during which a chemical reaction or process takes place
D. Measures the degree of hotness or coldness of an object
A. Measures the amount of matter in a substance or an object
Which of the following is referred to as the rearrangement of molecules?
A. products
B. reactant
C. substance
D. transformation
A. products
Which of the following is the meaning for “indestructible” atoms during a chemical reaction?
A. cannot be created
B. cannot be destroyed
C. cannot be consumed
D. cannot be created nor destroyed
D. cannot be created nor destroyed
Based on the equation below, which of the following compounds is a reactant?
C6H12O6 + 6O2 ---> 6CO2 + 6 H2O
wood + Oxygen gas ---> carbon dioxide + water
A. Carbon dioxide
B. Wood
C. Water
D. Wood and water
B. Wood