A substance that enables a chemical reaction without itself undergoing any change is known as a:
A. fraction
B. catalyst
C. polymer
D. reactant
Answer: B
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? Identify and state the historical significance of conversions.
What will be an ideal response?
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Who is responsible if a defect in an employee’s tool results in an accident?
a. The employee b. The company c. The crew leader d. The tool manufacturer
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Mass is a force and is measured in pounds.
Answer the following statement true (T) or false (F)
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Most hand torches will not easily cut metal that is more than ____ inches thick.
A. three to five B. five to seven C. seven to ten D. ten to twelve
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