10th class Chemistry chapter 16 online mcq test with answers for matric part 2 chemistry unit 16(Chemical Industries)

Chemistry 10th Class English Medium Unit 16 Online Test

Sr. #	Questions	Answers Choice
1	Petroleum fraction having composition C₅ to C₇ is.	Petroleum Gas Petroleum Ether Kerosine oil Gasoline or petrol
2	Petroleum fraction having composition C₇to C₁₀IS called	Petroleum gas Petroleum Ether Kerosine oil Gasoline or petrol
3	Which one is not the fraction of residual oil?	Paraffin wax Asphalt Fuel oil Coke
4	Composition of carbon in the diesel oil.	C<sub>7</sub>-C<sub>10</sub> C<sub>10</sub>-C<sub>12</sub> C<sub>13</sub>-C<sub>15</sub> C<sub>15</sub>-C<sub>18</sub>
5	Composition of carbon in kerosene oil is.	C<sub>10</sub>-C<sub>12</sub> C<sub>12</sub>-C<sub>12</sub> C<sub>16</sub>-C<sub>18</sub> C<sub>30</sub>-C<sub>30</sub>
6	How many units are in Pakistan for manufacturing of Urea.	3 6 9 12
7	Urea is nitrogenous fertilizer. It consist of nitrogen.	26.6 % 36.6% 46.6% 56.6%
8	Ammonia is prepared by:	Solvay's process Haber's process Floatation process Bayer's process
9	When NaHCO₃is heated if forms:	CO<sub>2</sub> Ca(OH)<sub>2</sub> CaCO<sub>3</sub> CaO
10	The impurities associated with the minerals are known as:	Metallurgy Ores Gangue Compounds
11	On which bases froth floatation process take place?	Density bases Concentration basis Watting basis None of these
12	How many percentage blister copper is pure?	95% 75% 98% 100%