Advertisements
Advertisements
प्रश्न
Balance the following simple equation:
Fe + H2O ⇌ Fe3O4 + H2
Advertisements
उत्तर
3Fe + 4H2O ⇌ Fe3O4 + 4H2
APPEARS IN
संबंधित प्रश्न
State whether the following statement is true or false:
A chemical equation can be balanced easily by altering the formula of a reactant or product.
Balance the given equation:
NH3 + CuO 
Cu +N2 +H2O
Write the balanced equations for the following reaction, and add the state symbols:
Magnesium carbonate reacts with hydrochloric acid to produce magnesium chloride, carbon dioxide and water.
Name the type of chemical reaction shown by the following equation:
Fe + CuSO4 → FeSO4 +Cu
While performing the experiment with raisins to determine the percentage of water absorbed by them, a student made following measurements:
Mass of water in the beaker = 40 g
Mass of raisins before soaking = 5 g
Mass of raisins after soaking for 2 hours = 8 g
Mass of water left in the beaker after the experiment = 35 g
The percentage of water absorbed by raisins is:
Balance the following equation:
Fe + H2O → Fe3O4 + H2
How is a flame test performed?
The chemical reactions in which heat is liberated are called endothermic reactions.
In certain reaction an insoluble solid called precipitate is formed. State the colour and name of the precipitate formed in the following reaction involving addition of:
Dilute hydrochloric acid to silver nitrate.
Write a balanced equation for the following word equation:
Potassium nitrate → Potassium nitrite + Oxygen
