January 2020 Chemistry Regents Questions 21-30 Question Preview (ID: 59700)


Use Your Knowledge Of Chemistry To Answer All Questions In The Data Set. You Will Need Your Chemistry Reference Tables And A Calculator To Answer Some Of The Questions. Good Luck. TEACHERS: click here for quick copy question ID numbers.

Which particles are transferred during a redox reaction?
a) atoms
b) electrons
c) neutrons
d) positrons

Which process can be represented by a half-reaction equation?
a) distillation
b) oxidation
c) sublimation
d) vaporization

Which form of energy is converted to electrical energy in a voltaic cell?
a) chemical
b) mechanical
c) nuclear
d) thermal

Which compound is an Arrhenius base?
a) HCl
b) H3PO4
c) Ca(OH)2
d) CH3COOH

In a neutralization reaction, an aqueous solution of an Arrhenius acid reacts with an aqueous solution of an Arrhenius base to produce
a) an ether and water
b) an ether and an alcohol
c) a salt and water
d) a salt and an alcohol

According to one acid-base theory, a base is an
a) H2 acceptor
b) H2 donor
c) H+ acceptor
d) H+ donor

Based on Table N, uranium-238 and uranium-235 have different
a) decay modes
b) half-lives
c) numbers of protons
d) numbers of electrons

A change in the nucleus of an atom that converts the atom from one element to another element is called
a) oxidation-reduction
b) single replacement
c) substitution
d) transmutation

Which radioactive emission has the greatest penetrating power, but the least ionizing power?
a) alpha particle
b) beta particle
c) gamma ray
d) positron

Which statement describes a benefit of using fission reactions?
a) Radioactive waste must be stored for long periods of time.
b) Nuclear fuel consists of stable isotopes.
c) Gamma radiation is produced.
d) Large amounts of energy are produced per mole of reactant.

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