The system which exchange only energy with its surroundings is called______________?

Related Mcqs:

1. The system which can exchange matter as well as energy with its surroundings is called____________?

   A. open system
   B. Closed system
   C. Isolated system
   D. Inert system

   Submitted by: Aneela shabbir

2. In which of the following type of reactions energy of reactant is greater than energy of product________________?

   A. endothermic
   B. exothermic
   C. unpredictable
   D. same

3. Orbitals of same energy produced after mixing of orbitals of different energy are called __________________?

   A. Degenerate orbitals
   B. Generate orbitals
   C. Hybrid orbitals
   D. Zeeman orbitals

4. Energy of reactant higher than energy of product favours A. Endothermic_______________?

   B. Exothermic
   C. Moderate reaction
   D. No reaction

5. Enzymes from the same organism which catalyze same reaction but are chemically and physically distinct from each other are called______________?

   A. Oxidoreductases
   B. Hydrolases
   C. Isoenzymes
   D. Isomerases

6. The relationship between energy of a photon of light and its frequency is given by________________?

   A. de-Broglie duel nature of matter
   B. Bohrs model
   C. Plancks Quantum theory
   D. Rutherfords atomic model

7. The quantity of heat required to convert one mole of liquid into its vapours at its boiling point is called molar heat of__________________?

   A. vaporization
   B. evaporation
   C. crystallization
   D. sublimation

8. When 0.01 moles of NaOH are added to a buffer solution, its PH changes from 4.745 to 4.832. What is its?

   A. 0.115
   B. 0.900
   C. 0.015
   D. 0.215

   Submitted by: Muhammad Ali Kunbhar

9. The relatively high energy of the gauche conformation of butane is primarily associated with_________?

   A. Angle strain
   B. Torsional strain
   C. Steric strain
   D. Orbital strain

   Submitted by: Muhammad Ali Kunbhar

10. The source of the Sun’s energy is the process of ____________?

    A. Photoelectric emission
    B. Nuclear fission
    C. Nuclear fusion
    D. Thermionic emission

    Submitted by: Abid Hussain