Advertisements
Advertisements
प्रश्न
Balance the following simple equation:
Fe2O3 + H2 → Fe + H2O
Advertisements
उत्तर
Fe2O3 + 3H2 → 2Fe + 3H2O
APPEARS IN
संबंधित प्रश्न
What does the symbol (aq) represent in a chemical equation?
Balance the given equation:
H2O2 
H2O + O2
Is Decomposition of calcium carbonate an endothermic reaction or an exothermic reaction?
Raisins are wiped off gently before final weighing with the help of
Explain the terms with examples.
Balanced equation
Balance the following equation:
Zn + HNO3 `→` Zn(NO3)2 + H2O + NO2
Why should an equation be balanced? Explain with the help of a simple equation.
Write the balanced chemical equation of the following reaction.
sodium chloride + manganese dioxide + sulphuric acid → sodium hydrogen sulphate + manganese sulphate + water + chlorine.
A chemical reaction is generally accompanied by certain external indications or characteristics. These include – change of – (a) colour (b) state (c) smell (d) evolution of gas (e) formation of precipitate (f) evolution or absorption of heat. With reference to change of colour – state the change in colour seen when the following are heated – lead [IV] oxide.
To balance the following chemical equation the value of x and y should respectively be:
\[\ce{2NaOH + xAl_2O_3->yNaAlO_2 + H_2O}\]
