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	General formula of alkynes is:	C<sub>n</sub>H<sub>n</sub> C<sub>n</sub>H<sub>2n</sub> C<sub>n</sub>H<sub>2n+2</sub> C<sub>n</sub>H<sub>2n-2</sub>
2	Oxidation of Ethene with KMnO₄ produces.	Oxalic acid Glyoxal Ethene Glycol Propene glycol
3	Ethylene glycol can be prepared with the reaction of KMnO₄ and _____	CH = CH CH<sub>3</sub> - CH<sub>3</sub> CH<sub>3</sub>CH<sub>2</sub>CH<sub>3</sub> CH<sub>2</sub>= CH<sub>3</sub>
4	The order or reactivity of hydrogen halides with alkenes is.	HI/Br HBr > HI HCl > HBr HBr>HCl
5	____________ use for ripening of fruits.	Ethene Ethane Ethyne Propane
6	Oxidation of alkenes forms:	Glycol Glyoxal Formic acid Oxalic acid
7	The process which convert vegetable oil into banaspati ghee called.	Hydrogenation Halogenation a and b None of these
8	Which of following dehydration of alcohols take place:	NaOH KOH H<sub>2</sub>SO<sub>4</sub> HCl
9	By which process alkenes are prepared from alcohols:	Dehelogenation Dehydrogenation Dehydration Dehydro-halogenation
10	The order of reactivity of hydrogen halides with alkenes is:	HI>HBR HBr>HI HCl>HBr<div><br></div> HBr>HCl
11	Which hydrocarbon decolorizes the pink colour of acidic solution of potassium permanganate?	CH<sub>4</sub> C<sub>2</sub>H<sub>4</sub> C<sub>2</sub>H<sub>6</sub> C<sub>2</sub>H<sub>5</sub>
12	Dehydrohalogenation take place in the presence of.	Aqueous NaOH Alcoholic KOH Aqueous KOH Alcoholic NaOH