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Questions (8)
Vinegar’s pH is about 2-3. Which statement is TRUE?
A. Vinegar is moderate to highly acidic B. Vinegar is very slightly acidic
1 answer
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Last summer, it took a group of friends about two hours to hike up a small peak in the Rocky Mountains. This year, they are
1 answer
133 views
unless it hits something a bullet fired toward the sky experience a constant rate of deceleration as soon as it is fired from a
1 answer
78 views
What type of reaction is created by starting a fire by igniting gasoline
1 answer
50 views
Silver Tarnishing is an example of what type of change?
A. Physical B. Chemical C. Alchemical D. Temperature
1 answer
86 views
A jigsaw piece is to a puzzle as elements are to:
A. Atoms B. Compounds C. Cells D. Bonds
1 answer
76 views
The refractive index used to match questioned glass samples represents:
a. the hardness of various kinds of glass. b.the
1 answer
95 views
The refractive index used to match questioned glass samples represents:
1 answer
70 views
