Chapter 1 THERMO CHEMISTRY MCQs 10 min Score: 0 Attempted: 0/10 Subscribe 1. Heat change in chemical reaction (A) Thermodynamic (B) Thermochemistry (C) Electrochemistry (D) Chemical potentialShow All Answers 2. During the chemical reaction energy is absorbed (in any form) (A) Heat (B) Light (C) Electricity (D) All of theseShow All Answers 3. The chemical reaction also contains energy during breakdown (A) Absorbed (B) Release (C) Neither absorbed (D) None of theseShow All Answers 4. Says the ability to work body (A) Power (B) Work (C) Energy (D) HeatShow All Answers 5. One Joule is equal to (A) 10⁷ Ergs (B) 10⁻⁷ Ergs (C) 10⁻⁹ Ergs (D) 10⁹ ErgsShow All Answers 6. Energy unit is (A) Joule (B) Watt (C) Joule second (D) None of theseShow All Answers 7. Heat is a (A) Light (B) Power (C) Energy (D) None of theseShow All Answers 8. Water evaporation is (A) No heat change occur (B) Endothermic reaction (C) Exothermic reaction (D) None of theseShow All Answers 9. Exothermic reaction ∆H is (A) Zero (B) Positive (C) Negative (D) None of theseShow All Answers 10. The reaction between H₂ and O₂ is (A) Exothermic (B) Endothermic (C) Neutralization (D) HydrolysisShow All Answers