Name a reducing agent that may be used to obtain manganese from manganese dioxide.
Aluminium powder can be used as the reducing agent to obtain manganese from manganese dioxide.
Related Articles
- How is manganese extracted from manganese dioxide, MnO2? Explain with the help of an equation.
- Two wires, one of copper and other of manganese have equal lengths and equal resistances: Which is thicker. (Given that resistivity of manganese is lower than that of copper).
- Oxides of moderately reactive metals like Zinc, Iron, Nickel, Tin, Copper etc. are reduced by using(a) Aluminium as reducing agent(b) Sodium as reducing agent (c) Carbon as reducing agent (d) Calcium as reducing agent
- A black metal oxide XO2 is used as a catalyst in the preparation of oxygen gas from potassium chlorate. The oxide XO2 is also used in ordinary dry cells. The metal oxide XO2 cannot be reduced satisfactorily with carbon to form metal X.(a) Name the metal X. (b) Name the metal oxide XO2. (c) Which reducing agent can be used to reduce XO2 to obtain metal X?(d) Name another metal which can also be extracted by the reduction of its oxide with the above reducing agent.
- One of the following is a medicine for indigestion. This is:(a) Sodium hydroxide (b) Manganese dioxide (c) Magnesium hydroxide (d) Potassium hydroxide
- Which product of coal is used as a reducing agent in the extraction of metals?
- Which of the following is used as a reducing agent in the extraction of iron metal?coalbitumencharcoalcoke
- A metal in which even iron can float is:(a) sodium(b) magnesium(c) mercury(d) manganese
- (a) Name two metals which occur in nature in free state as well as in combined state.(b) Name one ore of manganese. Which compound of manganese is present in this ore? Also write its chemical formula. (c) A zinc ore on heating in air forms sulphur dioxide. Describe briefly any two stages involved in the conversion of this concentrated ore into zinc metal.
- What is the method that is used to obtain pure salt from impure salt?
- In the reaction represented by the following equation: CuO (s) + H2 (g) -------> Cu (s) + H2O (l)(a) name the substance oxidised (b) name the substance reduced (c) name the oxidising agent (d) name the reducing agent
- Name any two substances that can be used as indicators.
- Zinc oxide reacts with carbon, on heating, to form zinc metal and carbon monoxide. Write a balanced chemical equation for this reaction. Name (i) oxidising agent, and (ii) reducing agent, in this reaction.
- Can a number be used to name a MySQL table column?
- (a) How does carbon dioxide from the air enter the leaves of a plant to be used in photosynthesis?(b) How does water from the soil reach the leaves of a plant to be used in photosynthesis?
Kickstart Your Career
Get certified by completing the course
Get Started