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	When the rate of a the forward reaction takes place at the rate of reverse reaction the composition of the reaction mixture remains constant it is called.	Chemical equilibrium Dynamic equilibrium Static equilibrium All
2	The color of hydrogen Iodide is:	Colourless Black Red Pink
3	The color of Iodine is:	Purple Black Red Pink
4	The reaction in which the products can recombine to form reactants are called.	Reversible reaction Irreversible reaction Decomposition Addition
5	The reaction in which the products do not recombine to form reactants are called.	Inversible reactions Reversible reaction Decomposition Addition
6	Formula of acetaldehyde is:
7	General formula of alcohols is:	RCHO ROH O= R - C -OH O = R - C- R
8	Which gas is evolved when acids react with carbonates and bicarbonates?	Carbon monoxide Carbon dioxide Hydrogen Hydrogen chloride
9	In irreversible reaction, dynamic equilibrium:	Never establishes Establishes before the completion of reaction Establishes after the completion of reaction Establishes readily
10	Catalyst used in Haber's process is:	Ni Fe Cu Zn
11	Manufacturing of urea involves:	2 steps 3 steps 4 steps 5 steps
12	Bister copper is pure about;	70% 80% 90% 98%