Advertisements
Advertisements
Question
Write a balanced equation for the following word equation:
Potassium nitrate → Potassium nitrite + Oxygen
Advertisements
Solution
\[\ce{2KNO3->[\triangle]2KNO2 + O2}\]
APPEARS IN
RELATED QUESTIONS
Balance the following chemical equation.
\[\ce{NaOH + H2SO4 -> Na2SO4 + H2O}\]
Correct and balance the following equation:
\[\ce{Ca + H2O -> CaOH + H}\]
Potassium chlorate (KClO3) on heating forms potassium chloride and oxygen. Write a balanced equation for this reaction and indicate the evolution of gas.
An acid which can decolourise purple coloured potassium permanganate solution is ______.
What information do you get from the equation H2+ Cl2 → 2HCl ?
Write your observation for the following chemical reaction and name the product formed :
When manganese dioxide is added to potassium chlorate and heated.
Balance the following equation:
H2O + Cl2 → HCl + O2
Write word equation for the following molecular equation:
\[\ce{CaCO3 + 2HCl ->[\triangle] CaCl2 + H2O + CO2 [g]}\]
Word equation:
State which characteristic does [g] in the above reaction indicate. The word equation of:
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 – mercury [II] oxide.
Write scientific reason.
Adding zinc particles to a solution of copper sulphate makes the blue solution colorless.
