Advertisements
Advertisements
प्रश्न
Explain the following reaction with the balanced equation.
Reaction of aluminium with oxygen
Advertisements
उत्तर
Aluminium combines with oxygen to form aluminium oxide.
\[\ce{\underset{\text{Aluminium}}{4Al_{(s)}} + \underset{\text{Oxygen}}{3O_{2(g)}} -> \underset{\text{Aluminium oxide}}{2Al2O_{3(s)}}}\]
APPEARS IN
संबंधित प्रश्न
What do you observe when silver nitrate is added to a solution of sodium chloride?
How will you obtain Zinc chloride from zinc.
Also give balanced equations for the reactions
What is meant by the metal reactivity series ? State its importance, (any two points).
Write chemical equation for the event.
Aluminium came in contact with air.
Write a chemical equation for the event.
Iron filings are dropped in aqueous solution of copper sulphate.
Write a chemical equation for the following event.
Zinc oxide is dissolved in dilute hydrochloric acid.
State what is meant by the ‘reactivity series of metals’
With reference to Water explain with suitable examples of how the reactivity of the metals could be differentiated.
Give a balanced equation for the reversible catalytic reaction involving nitrogen as one of the reactants.
Select the correct answer for the statement given below:
A neutral oxide which does not react with an acid or a base to give salt and water.
Complete the statement by filling in the blank with the correct word:
The metal which reacts with steam and the reaction is reversible is ________.
Explain the following reaction with the balanced equation.
Sulphur burns in air
Observe the following diagram and identify the type of reaction and write observation.

Which among the following alloys contain mercury as one of its constituents?
Compound X and aluminium are used to join railway tracks.
- Identify the compound X
- Name the reaction
- Write down its reaction.
A metal that exists as a liquid at room temperature is obtained by heating its sulphide in the presence of air. Identify the metal and its ore and give the reaction involved.
An element A burns with golden flame in air. It reacts with another element B, atomic number 17 to give a product C. An aqueous solution of product C on electrolysis gives a compound D and liberates hydrogen. Identify A, B, C and D. Also write down the equations for the reactions involved.
Metal ‘A’ has electronic configuration 2, 8, 1 and metal ‘B’ has electronic configuration 2, 8, 8, 2. Out of these, which metal is more reactive? Write the reaction of this metal with dilute HCl acid.
