CCSLC Integrated Science Practice Questions - CCSLC Integrated Science (Caribbean Examinations Council, CXC) Exam

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A student wants to find out if the temperature of water affects how fast salt dissolves. Which of the following is a testable hypothesis for this investigation?

Salt dissolves faster in hot water than in cold water. How much salt can dissolve in a cup of water? Salt dissolves because water molecules pull it apart. Does hot water dissolve salt?

Correct Answer:

Salt dissolves faster in hot water than in cold water.

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