$Fe _{2} O _{3}+2 Al \rightarrow Al _{2} O _{3}+2 Fe$

The above reaction is an example of a 

  • A

    combination reaction.

  • B

    displacement reaction.

  • C

     decomposition reaction.

  • D

     double displacement reaction.

Similar Questions

Identify the substances that are oxidised and the substances that are reduced in the following reactions.

$(i)$ $4 Na ( s )+ O _{2}( g ) \rightarrow 2 Na _{2} O ( s )$

$(ii)$ $CuO ( s )+ H _{2}( g ) \rightarrow Cu ( s )+ H _{2} O ( l )$

Translate the following statements into chemical equations and then balance them.

$(a)$ Hydrogen gas combines with nitrogen to form ammonia.

$(b)$ Hydrogen sulphide gas burns in air to give water and sulpur dioxide.

$(c)$ Barium chloride reacts with aluminium sulphate to give aluminium chloride and a precipitate of barium sulphate.

$(d)$ Potassium metal reacts with water to give potassium hydroxide and hydrogen gas.

Why is the amount of gas collected in one of the test tubes in image double of the amount collected in the other ? Name this gas.

Write one equation each for decomposition reactions where energy is supplied in the form of heat, light or electricity.

In the refining of silver, the recovery of silver from silver nitrate solution involved displacement by copper metal. Write down the reaction involved.