10th Class Chemistry Chapter Wise Online MCQ Test With Answers PDF English Medium

Chemistry 10th Class English Medium Online Test

Sr. #	Questions	Answers Choice
1	Oxidation of ethene with KMnO₄produces.	oxalic acid glyoxal ethene glycol Propene glycol
2	Dehydrohalogenation takes place in the presence of .	NaOH aqueous Alcoholic KOH Aqeous KOH Alcoholic NaOH
3	Incomplete combustion of alkanes produce.	Carbon dixoide only Carbon monoxide only Carbon monoxide carbon black and water Carbon dioxide and carbon black
4	Halogenation of methane produces following valuable chemical compounds used as solvents except.	Carbonterachloride Chloroform Carbon Black Chloromethane
5	The reduction of alkyl halides takes place in the presence of	Zn/HCl Na/HCl Mg/HCl Cu/HCl
6	If an organic compound has 4 carbon atoms, all singly bonded, it will have the following characteristics except one.	It will be saturated hydrocarbon It will hav 8 hydrogen atoms Its name will be n-butane. It will be least reactive.
7	Which one of these hydrocarbon molecules would have no effect on an aqueous solution of bromine?	CH<sub>4</sub> C<sub>10</sub>H<sub>20</sub> C<sub>2</sub>H<sub>4</sub> C<sub>2</sub>H<sub>2</sub>
8	Alkyl radical is derivative of	Alkane Alkene Alkyne All
9	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>
10	Natural gas contains.	Methane Ethane Propane All
11	The % age of carbon in coke is	60 70 90 98
12	Coal tar contains compounds	Benzene Phenol Toluene All