CHM292
Question: Most metals react with acids to form
Answer: Both A and B
Question: The heat of neutralization of a strong acid with a strong base is approximately
Answer: 57.4 kJ/mol
Question: In chemical equation, the symbol \’aq\’ represents
Answer: both A and B
Question: Ether layer is used to extract
Answer: organic impurities
Question: pH of soils can be controlled through
Answer: neutralization
Question: Which statement about the vaporization of acetone, /(CH_{3}COCH_{3}/), is not correct ?
Answer: When acetone vaporizes, covalent bonds are broken.
Question: Which of the following changes is not exothermic?
Answer: Melting copper.
Question: Which of the following is the standard state of iodine at 298 K?
Answer: /(I_{2}/) (s)
Question: Which of these is not a colligative property?
Answer: mass
Question: Which statement is correct about the fusion of copper?
Answer: Heat is required.
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