11th Class FSc Part 1 Chemistry Chapter Wise Online MCQ Test With Answer PDF

Chemistry Fsc Part 1 Online Test

Sr. #	Questions	Answers Choice
1	Which one of the following has highest pH	Distilled water 1 M NH4OH 1 M NaOH Water saturated with chlorine gas
2	Which one of the following aqueous solutions has the highest pH	0.1 M NaOH 0.1 M HCl 0.2 M H2SO4 0.1 M HNO3
3	The sum of pH and pOH is	0 7 14 10
4	When concentration of one product is removed at equilibrium stage, in which direction it moves to reestablish equilibrium.	Forward Reverse Neither forward nor reverse Equally move in both direction
5	When solid KI dissolved in water, its heat of solution is positive. What would happen to dissolution when temperature is increased.	Increases Decreases Remain same Firs increases than decreases
6	For the equilibrium system N2 + O2 + Heat = 2NO the equilibrium constant deceases by	Decreasing the temperature Adding a catalyst Adding N2 Adding NO
7	the substance which increase the rate of reaction but remains unchanged at the end of the reaction is called.	Indicator Promoter Catalyst Activated complex
8	Almost forward reaction is complete when value of Kc is	very high Very small Neither large nor very small No correlation
9	The unit of Kc for the reaction N2 +O2 = 2NO will be	mol dm-3 mol-1 dm+3 mol-2 dm+6 No units
10	A chemical reaction A ---------- B is said to be in equilibrium when	Complete conversion of A to B has taken place Conversion of A to B is 50% complete Rate of transformation of A to B is equal to B to A 50% Reactant have been changed to B
11	The pH of 10-3 mole dm-3 of an aqueous solution of H2SO4 is.	3.0 2.7 2.0 1.5
12	Born Haber cycle is used to determine the	Lattice energy Enthalpy of formation Enthalpy of ionization Enthalpy of dissociation
13	Which one of the following enthalpies is always an exothermic process.	Enthalpy of atomization Enthalpy of neutralization Enthalpy of ionization Enthalpy of dissociation
14	The enthalpy of combustion is	Positive Negative Either positive or negative No correlation
15	The heat contents of the system of known as.	Entropy Enthalpy Work Free energy
16	Standard enthalpy change when one mole of compound is formed from their elements at standard state is.	Heat of formation Standard heat of formation Heat of combustion Standard Heat of neutralization
17	The standard heat of formation is measured at 1 atmosphere and	0 <sup>o</sup>C 100 <sup>o</sup>C 293 <sup>o</sup>C 25 <sup>o</sup>C

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