10th class Chemistry chapter 11 online mcq test with answers for matric part 2 chemistry unit 11(Organic Chemistry)

Chemistry 10th Class English Medium Unit 11 Online Test

Sr. #	Questions	Answers Choice
1	Which of the following is the hardest coal?	Pear Lignite Bituminous Anthracite
2	The functional group- COOH is found in	Carboxylic acid aldehydes alcohals easter
3	Which of the following statement s is not true about fossil fuels?	they all contain carbon They are renewable they produce pollutants when burnt they cause acid rain
4	Identify which one of the following compounds is a ketron?	(CH<sub>3</sub>)<sub>2</sub> CHOH (CH<sub>3</sub>)<sub>2</sub>CHCl (CH<sub>3</sub>)<sub>2</sub>CO (CH<sub>3</sub>)<sub>2</sub>CHCl
5	General formula of alkyl radical is	C<sub>n</sub>H<sub>2n+2</sub> C<sub>n</sub>H<sub>2n-</sub><span style="vertical-align: sub;">2</span> C<sub>n</sub>H<sub>2n+1</sub> C<sub>n</sub>H<sub>2n</sub>
6	The strong heating of coal in retoris in the absence of air is called.	Fractional distillation Sublimation Roasting Destructive distillation
7	Main component of natural gas is	Methane propane Butane Propene
8	In laboratory urea was prepared by	Wohler Rutherford Berzelius Dalton
9	Petroleum is refined by	Destructive distillation Fractional distillation Simple distillations Dry distillation
10	Which one of the following does not contain starch	Sugar cane Maize Barley Potatoes
11	Natural gas is 85% methane, It is used to make the follwing except.	Carbon black Ethane Propane Both b and c
12	Pitch is black residue of	Coke Coal-tar Coal Coal gas