Punjab 11th Class Chemistry Chapter 7 Thermochemistry Mcqs Test Online Chemistry Chapter 7 Thermochemistry Mcqs Test Online Punjab 11th Class 123456789101112Show paginator Hide paginator 8% Question 1 of 12Chemistry 1. Enthalpy of neutralization of all the strong acids and strong basis has the same value due to: The formation of salt The formation of salt and water The combination of H⁺ and OH ions to form water The complete ionization of acids and bases Question 1 of 12Question 2 of 12 2. Which of the following substances have zero value for their standard enthalpy of formation. O₃ H₂O None of these ZnO Question 2 of 12Question 3 of 12 3. A bomb calorimeter is used in __________ calorimetric Constant pressure Both a and b Constant temperature Constant volume Question 3 of 12Question 4 of 12 4. Boron Haber cycle is used to determine lattice energies of Molecular solids Metallic solids Ionic solids Covalent solids Question 4 of 12Question 5 of 12 5. Which of the following is not a state function of a system. Enthalpy Thermal energy at constant pressure Work done Internal energy Question 5 of 12Question 6 of 12 6. Heat of ________ of a substance is always negative Combustion Formation Solution Decomposition Question 6 of 12Question 7 of 12 7. A balloon filled with oxygen is placed in a freezer. Identify system: Freezer Balloon Oxygen All of these Question 7 of 12Question 8 of 12 8. For writing a thermochemical equation for enthalpy of combustion of an element requires, (a) 1 mole of element as reactant (b) 1 mole of oxide of element as product (c) Standard states of all the substances (d) Balanced equation of 1 mole of element a, b, c, d a, c, d a, b a Question 8 of 12Question 9 of 12 9. Enthalpy of combustion for C is – 393.5 KJmole⁻¹ C(s) + O₂(g) → CO₂(g) ∆H°combustion = -393.5 KJmole⁻¹ Enthalpy of formation of CO₂ would be-393.5 KJ +393.5 KJ Cannot be predicted form the given equation Zero Question 9 of 12Question 10 of 12 10. Total heat content of a system is called State FunctionInternal energy Enthalpy Heat Question 10 of 12Question 11 of 12 11. q = ∆H when ∆E = 0 None of these ∆V = 0 P = 0 Question 11 of 12Question 12 of 12 12. Calorie is equivalent to 4.18J 0.418KJ0.418J 4.18KJ Question 12 of 12 Loading... Test By Subject Punjab Test By Topics 11th Class Chemistry You Can Learn and Gain more Knowledge through our Online Quiz and Testing system Just Search your desired Preparation subject at Gotest.