Advertisements
Advertisements
प्रश्न
Balance the given equation:
AI(OH)3 
AI2O3 +H2O
उत्तर
2Al(OH)3 → Al2O3 + 3H2O
APPEARS IN
संबंधित प्रश्न
Giving examples, state the difference between balanced and unbalanced chemical equations.
Write word equation for the following skeletal equation:
\[\ce{KNO3 -> KNO2 + O2}\]
Write down what you understood from the following chemical reaction.
AgNO3(aq) + NaCI(aq) → AgCI ↓ + NaNO3(aq)
Balance the following equation:
HNO3 + H2S → NO2 + H2O + S
Write the balanced chemical equation of the following reaction.
barium chloride + sulphuric acid → barium sulphate + hydrochloric acid
(a) Give only one suitable chemical test to identify the following gases.
- Ammonia
- Sulphur dioxide
- Hydrogen Chloride
- Chlorine
- Carbon Dioxide
- Oxygen
- Hydrogen
(b) Select a basic gas mentioned in Q.1 (a). How is the basic nature suspected?
(c)Select acidic gases from the gases mentioned in Q.1 (a). How is the acidic nature suspected?
(d) State the gas responsible for bleaching action.
(e)Which gas turn blue cobalt chloride paper light pink?
Name the following:
The gas evolved when a dilute acid is added to chalk [limestone].
Balance the following simple equation:
Al + N2 → AlN
Reema took 5ml of Lead Nitrate solution in a beaker and added approximately 4ml of Potassium Iodide solution to it. What would she observe?
A dilute ferrous sulphate solution is gradually added to the beaker containing acidified permanganate solution. The light purple colour of the solution fades and finally disappears. Which of the following is the correct explanation for the observation?
