Spot the error. Startled onlookers saw officers arm themselves and took up positions in front of the house.
Correct answer: D. took up
- A. startled
- B. arm
- C. themselves
- D. took up
Explanation
"Took up" is incorrect. The phrase "took up" suggests an additional action of assuming a position or stance, which changes the meaning of the sentence. The correct form should be "took," indicating the officers performed the action of arming and positioning themselves. This is the correct option.
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About Reaction Kinetics
Reaction kinetics relates reaction rate to concentration, temperature, surface area and catalysts. Questions cover rate laws, reaction order, rate constants, activation energy and the activated complex, including how a catalyst lowers the activation energy without changing the overall energy change or equilibrium position.
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