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Q2: Westerly winds are characteristic of the<br>A)middle latitudes
Q8: When a strong acid is added to
Q10: The symbol of the hydronium ion is<br>A)H<sub>3</sub>O<sup>-</sup>.<br>B)H<sub>3</sub>O<sup>+</sup>.<br>C)OH<sup>-</sup>.<br>D)OH<sup>+</sup>.
Q11: Each of the following elements has at
Q12: An example of a weak acid is<br>A)nitric
Q15: Since 1900 the world's population has increased
Q31: The atomic number of a nucleus decreases
Q31: The electrons in an atom<br>A)are bound to
Q38: The two planets of the solar system
Q51: The chromate ion has the formula CrO<sub>4</sub><sup>2-</sup>.The