Which element is oxidized in the following reaction? Cu + HNO3—> CuNO3+H2 -Cu -N

Question

Which element is oxidized in the following reaction? Cu + HNO3—> CuNO3+H2 -Cu -N -O -H
Zn lies above Pb in the activity series of metals. Which of the following statements is correct? -Pb will react with Zn2+ -Pb2+ will react with Zn2+ -Zn2+ will react with Pb
Fill in the blank: In the course of the reaction each magnesium atom looses (blank) electrons to become Mg2+ ion 2Mg+O2—>2MgO
Which element has been oxidized and which one has been reduced? 2 Na + FeCl2 2NaCl + Fe
Which element has been reduced? AgNO3 + Cu —> CuNO3 + Ag -Cu -Ag -N
Which element has been reduced? 2 H2 + O2 —> 2 H2O Which element is oxidized in the following reaction? Cu + HNO3—> CuNO3+H2 -Cu -N -O -H
Zn lies above Pb in the activity series of metals. Which of the following statements is correct? -Pb will react with Zn2+ -Pb2+ will react with Zn2+ -Zn2+ will react with Pb
Fill in the blank: In the course of the reaction each magnesium atom looses (blank) electrons to become Mg2+ ion 2Mg+O2—>2MgO
Which element has been oxidized and which one has been reduced? 2 Na + FeCl2 2NaCl + Fe
Which element has been reduced? AgNO3 + Cu —> CuNO3 + Ag -Cu -Ag -N
Which element has been reduced? 2 H2 + O2 —> 2 H2O Cu + HNO3—> CuNO3+H2 -Cu -N -O -H
Zn lies above Pb in the activity series of metals. Which of the following statements is correct? -Pb will react with Zn2+ -Pb2+ will react with Zn2+ -Zn2+ will react with Pb
Fill in the blank: In the course of the reaction each magnesium atom looses (blank) electrons to become Mg2+ ion 2Mg+O2—>2MgO
Which element has been oxidized and which one has been reduced? 2 Na + FeCl2 2NaCl + Fe
Which element has been reduced? AgNO3 + Cu —> CuNO3 + Ag -Cu -Ag -N
Which element has been reduced? 2 H2 + O2 —> 2 H2O

Explanation / Answer

Which element is oxidized in the following reaction? Cu + HNO3—> CuNO3+H2 -Cu -N

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