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Q11: Community policing decreases the productivity of police
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Q39: A hydrogen atom without an electron is
Q40: When MgCl<sub>2</sub> dissolves in water, it produces
Q46: Nitrogen trichloride, once used as a bleaching
Q51: Which of the following statements about acids
Q61: What is the meaning of the arrow
Q71: Which of the following does NOT happen
Q77: According to a blood test, a patient
Q81: The heart of a database is forms