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	The plant use	Carbon di oxide Oxygen Nitrogen Sulphur
2	Which one of the following organic compound is found is gasoline?	C<sub>2</sub>H<sub>4</sub> C<sub>3</sub>H<sub>8</sub> C<sub>7</sub>H<sub>10</sub> C<sub>12</sub>H<sub>26</sub>
3	The nitrogen present in urea is used by plants to synthesize.	Sugar Proteins Fats DNA
4	Which one of the following is not a fraction of petroleum?	Kerosene oil Diesel oil Alcohol Petrol
5	Which one of the following is not faction of crude oil.	Paraffin wax Asphalt Fuel oil Petroleum coke
6	Which one of the following is used as jet fuel.	Kerosene oil Lubricating oil Fuel oil Diesel oil
7	When crude oil is heated in the fractionating tower:	Vapour of higher boiling point fraction condense first in the lower part of the tower. Vapours of lower boiling point fraction condense first in the lower part of tower. Vapour of higher boiling point condense lather in the upper part of tower. Vapours of higher boiling point never condense.
8	Crude oil is heated to the fractionating furnace upto.	300 <sup>o</sup>C 350<sup>o</sup>C 400<sup>o</sup>C 450<sup>o</sup>C
9	When NaHCO₃ is heated it forms.	CO<sub>2</sub> Ca(OH)<sub>2</sub> CaCO<sub>3</sub> CaO
10	In solvay's process slaked lime is used to:	Prepare CO<sub>2</sub> Prepare quick lime Recover ammonia Form Na<sub>2</sub>CO<sub>3</sub>
11	When CO₂ is passed through the ammonical brine the only salt that precipitates is:	NaHCO<sub>3</sub> NH<sub>4</sub>HCO<sub>3</sub> Na<sub>2</sub>CO<sub>3</sub> (NH<sub>4</sub>)<sub>2</sub>CO<sub>3</sub>
12	Concentration of the copper ore is carried out by:	Calcinations Roasting Forth flotation Distillation

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