#1
Which of the following is a characteristic of a redox reaction?
Transfer of electrons between reactants
ExplanationRedox reactions involve the transfer of electrons between reactants.
#2
What is the electrode where oxidation occurs in an electrochemical cell called?
Anode
ExplanationAnode is where oxidation occurs in an electrochemical cell.
#3
Which of the following elements is commonly used as a fuel in nuclear reactors?
Uranium
ExplanationUranium is commonly used as fuel in nuclear reactors.
#4
What is the SI unit of radioactivity?
Becquerel
ExplanationBecquerel is the SI unit of radioactivity.
#5
What is the product of a nuclear fusion reaction involving hydrogen?
Helium
ExplanationHelium is the product of a nuclear fusion reaction involving hydrogen.
#6
What does the acronym 'NMR' stand for in nuclear chemistry?
Nuclear Magnetic Resonance
ExplanationNMR stands for Nuclear Magnetic Resonance in nuclear chemistry.
#7
Which of the following is a common radioactive decay process?
Alpha emission
ExplanationAlpha emission is a common radioactive decay process.
#8
What is the primary purpose of a salt bridge in an electrochemical cell?
To balance the charge between the two half-cells
ExplanationThe primary purpose of a salt bridge is to balance the charge between the two half-cells in an electrochemical cell.
#9
Which of the following is a property of a beta particle?
It is an electron
ExplanationBeta particles are electrons.
#10
What does the term 'half-life' refer to in nuclear chemistry?
The time it takes for a radioactive substance to decay to half of its initial amount
ExplanationHalf-life refers to the time taken for a radioactive substance to decay to half of its initial amount.
#11
What is the energy released in a nuclear reaction called?
Binding energy
ExplanationThe energy released in a nuclear reaction is called binding energy.
#12
What is the process of converting atoms of one element into atoms of another through nuclear reactions called?
Transmutation
ExplanationThe process of converting atoms of one element into atoms of another through nuclear reactions is called transmutation.
#13
Which of the following statements is true about nuclear fusion?
It requires high temperatures and pressures to overcome electrostatic repulsion.
ExplanationNuclear fusion requires high temperatures and pressures to overcome electrostatic repulsion.