(i) Here, the connecting word is 'and'.The component statements are as follows.p: All rational numbers are real.q : All real numbers are not complex.(ii) Here, the connecting word is 'or'.The component statements are as follows.p : Square of an integer is positive.q: Square of an integer is negative.(iii) Here, the connecting word is 'and'.The component statements are as follows.p : The sand heats up quickly in the sun.Q: The sand does not cool down fast at night.(iv) Here, the connecting word is 'and'.The component statements are as follows.p: x = 2 is a root of the equation 3x2−x−10=0 q: x = 3 is a root of the equation 3x2−x−10=0