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September 30, 2014
Quiz 16- Chemistry-General Science: General Knowledge Question & Answers
151 Q) Which one of the following is the major component of the photochemical smog'?
(a) Carbon dioxide
152 Q) As which one of the following, does carbon occur in its purest form in nature?
(c) Carbon black
153 Q) "The pH of fresh groundwater slightly decreases upon exposure to air because "
(a) carbon dioxide from air is dissolved in the water
(b) oxygen from air is dissolved in the water
(c) the dissolved carbon dioxide of the groundwater escapes into air
(d) the dissolved oxygen of the groundwater escapes into air
154 Q) Which of the following pesticide is applied to the foundation of buildings to prevent termites?
155 Q) Which of the following pairs of chemical compounds has the potential for carbon capturing by chemical process to reduce the global warming?
(a)Potassium oxide and sodium oxide
(b)Magnesium oxide and calcium oxide
(c)Magnesium oxide and potassium oxide
(d)Calcium oxide and potassium oxide
156 Q) "Consider the following statements.
I.Probability of finding the electron in the bonding molecular orbital is more than combining atomic orbitals.
II.Bonding molecular orbitals are formed when different sign of orbitals are overlapped. .
Which of the statements given above is/are correct?"
(a) Only I
(b) Only II
(c) Both I and II
(d) Neither I nor II
157 Q) Which one of the following chemicals is commonly used by farmers to destroy weeds?
(d) Methyl bromide
158 Q) The highest temperature can be achieved in which type of furnace?
(d) None of these
159 Q) Which one among the following is the natural polymer?
160 Q) "Silicon carbide (SiC) is known as "