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 unit of molar concentration:	mol. dm<sup>-2</sup> mol. dm<sup>-1</sup> mol. dm mol. dm<sup>-3</sup>
2	The forward reaction takes place:	Right to left Left to Right Only to right Only to left
3	Dynamic means, reaction is:	In forward direction Stop In reverse direction Still continuing.
4	When a reaction ceases to proceed further , it is called.	Chemical states Static state Physical state Dynamic equilibrium state
5	In a chemical reaction, the substance that combine are called.	Reactant Products Mass Material
6	Which type of reactions take place in both directions?	Decomposition reactions Irreversibel reactions Reversible reactions Addition reactions
7	Which types of reaction speed up gradually?	Irreversible reactions Reversibel reactions Forward reactions Decomposition reactions.
8	Which type of reactions do not go to completion?	Irreversible reaction Reversible reactions Addition reactions Decomposition reactions
9	The major components of Atmosphere are:	Carbon and Nitrogen Nitrogen and Oxygen Oxygen and Chlorine None of these
10	For a reaction between PCL₃ and Cl₂ to form PCl₅ the units of Kc are:	Mol dm<sup>-3</sup> Mol<sup>-1</sup> dm<sup>-3</sup> Mol<sup>-1</sup>dm<sup>3</sup> Mol dm<sup>3</sup>
11	In an irreversible reaction dynamic equilibrium:	Never establishes Established before the completion of reaction Establishes after the completion of reaction Establishes readily
12	At dynamic equilibrium:	The reactions stops to proceed The amounts of reactants and products are equal The speed of the forward is reverse reactions are equal The reaction can no longer be reversed

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