11th Chemistry Test 11(Revised) Exam
with Verified Detailed Answers
What is the oxidation state of nitrogen in Zn(NO₃)₂? -
correct answer ✅+5
Which scientist discovered radioactivity? -
correct answer ✅Henri Becquerel
What type of reaction is represented by the following reaction?
²₁H+²₁H→³₂He+¹₀n -
correct answer ✅fusion
What is the general term for passing an electric current through an
electrolyte to cause a nonspontaneous redox reaction? -
correct answer ✅electrolysis
What is a chain of radioactive nuclides that decay into other
nuclides, ultimately ending in a stable nuclide? -
correct answer ✅radioactive decay series
What is the reducing agent in the following reaction?
2AI(s)+3FeCI₂(aq)→3Fe(s)+2AICI₃(aq) -
correct answer ✅AI(s)
, 11th Chemistry Test 11(Revised) Exam
with Verified Detailed Answers
What force binds protons and neutrons to each other in an atom's
nucleus? -
correct answer ✅strong nuclear force
What term refers to the time required for half of an original
substance to decay into a new substance? -
correct answer ✅half life
Which type of radioactivity does not consist of particles? -
correct answer ✅gamma
What type of nuclear reaction is induced by pelting a sampl3e with
other particles? -
correct answer ✅bombardment
What is the oxidation state of chromium in Cr₂O₇²⁻? -
correct answer ✅+6
What is the missing particle in the following nuclear reaction?
²⁰⁵₈₄Po→?+²⁰¹₈₂Pb -
correct answer ✅⁴₂He
with Verified Detailed Answers
What is the oxidation state of nitrogen in Zn(NO₃)₂? -
correct answer ✅+5
Which scientist discovered radioactivity? -
correct answer ✅Henri Becquerel
What type of reaction is represented by the following reaction?
²₁H+²₁H→³₂He+¹₀n -
correct answer ✅fusion
What is the general term for passing an electric current through an
electrolyte to cause a nonspontaneous redox reaction? -
correct answer ✅electrolysis
What is a chain of radioactive nuclides that decay into other
nuclides, ultimately ending in a stable nuclide? -
correct answer ✅radioactive decay series
What is the reducing agent in the following reaction?
2AI(s)+3FeCI₂(aq)→3Fe(s)+2AICI₃(aq) -
correct answer ✅AI(s)
, 11th Chemistry Test 11(Revised) Exam
with Verified Detailed Answers
What force binds protons and neutrons to each other in an atom's
nucleus? -
correct answer ✅strong nuclear force
What term refers to the time required for half of an original
substance to decay into a new substance? -
correct answer ✅half life
Which type of radioactivity does not consist of particles? -
correct answer ✅gamma
What type of nuclear reaction is induced by pelting a sampl3e with
other particles? -
correct answer ✅bombardment
What is the oxidation state of chromium in Cr₂O₇²⁻? -
correct answer ✅+6
What is the missing particle in the following nuclear reaction?
²⁰⁵₈₄Po→?+²⁰¹₈₂Pb -
correct answer ✅⁴₂He
