Atom Facts Notes Questions with Answers PDF Download – Test 155

MCQ 771: The pathway of electron is called:

1. orbit
2. orbital
3. axis
4. electric path

MCQ 772: Reaction of gaseous molecules at surface of solid catalyst is done in:

1. homogeneous catalysis
2. heterogeneous catalysis
3. hypogenous catalyst
4. hypergeneous catalyst

MCQ 773: The identical bonds in molecules which possesses two type of bonds have bond energies totally:

1. different
2. unique
3. same
4. constant

MCQ 774: Of the given series of actions, action performed first is the:

1. substrate diffuses to the active site
2. enzyme-substrate complex is binded
3. amino acids may acts as nucleophiles
4. products diffuse away from the active site

MCQ 775: Catalysis of hydrolysis of esters is done by:

1. hydrogen ions
2. ethers
3. alcohols
4. phenols