Chemistrymedium · Past Paper
In the reaction $3MnO_2 + 4Al \rightarrow 3Mn + 2Al_2O_3$, which substance is being reduced?
AAl
BMnO2
CMn
DAl2O3
✓ Correct Answer: B — MnO2
MnO2 loses oxygen to become Mn, which is a reduction process.
Share this question
More from Chemistry
- In the reaction $PCl_5 \rightleftharpoons PCl_3 + Cl_2$, how will the equilibrium shift if the pressure is increased?
- Why is food cooked faster in a pressure cooker?
- Isotopes of which element are used in the treatment of cancer?
- What is the percentage of carbon in a molecule of Urea [CO(NH2)2]?
- Which non-metal is a good conductor of electricity?