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