(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