Chemistry 10th Class English Medium Unit 11 Online Test With Answers

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Chemistry 10th Class English Medium Unit 11 Online Test

Sr. # Questions Answers Choice
1 Formula of Decane is. C<sub>10</sub>H<sub>20</sub> C<sub>10 </sub>H<sub>22</sub> C<sub>10</sub> H<sub>4</sub> C<sub>10</sub>H<sub>16</sub>
2 Molecular formula of butane is C<sub>4</sub>H<sub>8</sub> C<sub>4</sub>H<sub>10</sub> C<sub>4</sub>H<sub>12</sub> C<sub>4</sub>H<sub>6</sub>
3 Hydrogen atoms preset in pentane are. 10 12 14 16
4 Vital force theory was rejected by. Jabir Bin Hayan Drawin Wohler Berzellius
5 Formula of Methyl alcohol CH<sub>5</sub>-OH CH<sub>3</sub>-CH<sub>2</sub>-OH All of them None of these
6 Alkyl radical is derivative of Alkane Alkene Alkyne All
7 The general formula of alkane is C<sub>n</sub>H<sub>2n+2</sub> C<sub>n</sub>H<sub>2n-2</sub> C<sub>n</sub>H<sub>2n</sub> C<sub>n</sub>H<sub>2n+1</sub>
8 Natural gas contains. Methane Ethane Propane All
9 The % age of carbon in coke is 60 70 90 98
10 Coal tar contains compounds Benzene Phenol Toluene All
11 Coal is the mixture of Hydrogen Methane Carbon monoxide All
12 The strong heating of coal in the absence of air is called. Carbonization Destructive distillation Fractional distillation All
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