Advertisements
Advertisements
प्रश्न
When potassium nitrate is heated, it decomposes into potassium nitrite and oxygen. Write a balanced equation for this reaction and add the state symbols of the reactants and products.
Advertisements
उत्तर
\[\ce{2KNO3_{(s)} ->[\Delta] 2KNO2_{(s)} + O2_{(g)}}\]
APPEARS IN
संबंधित प्रश्न
Translate the following statement into a chemical equation and then balance it.
Barium chloride reacts with aluminium sulphate to give aluminium chloride and a precipitate of barium sulphate.
A solution made in water is known as an ______ solution and indicated by the symbol ______.
A white precipitate will be formed if we add common salt solution to:
(a) Ba(NO3)2 solution
(b) KNO3 solution
(c) AgNO3 solution
(d) Mg(NO3)2 solution
Write your observation for the following chemical reaction and name the product formed :
When manganese dioxide is added to potassium chlorate and heated.
Write your observation for the following chemical reaction and name the product formed :
When dilute acetic acid is poured on baking soda.
Write symbolic representation for the following word equation and balance them :
Calcium oxide + Water → Calcium hydroxide
Balance the following equation :
Pb3O4 → PbO + O2
Balance the following equation Also name the product formed.
`"K" + "CI"_2 → "KCI"`
Write your observation and name the product when zinc reacts with dilute hydrochloric acid.
Raisins are wiped off gently before final weighing with the help of
State the information conveyed by the following equation:
Zn(s) + 2HCl(aq) → ZnCl2(aq) + H2 ↑
Balance the following equation:
PbS + O2 → PbO + SO2
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:
Balance the following simple equation:
SO2 + O2 ⇌ SO3
Balance the following simple equation:
KHCO3 → K2CO3 + H2O + CO2
Balance the following simple equation:
H2 + O2 → H2O
Balance the following simple equation:
KBr + Cl2 → KCl + Br2
Balance the following simple equation:
Fe2O3 + CO → Fe + CO2
CaCO3 + 2HCl[dil.] → CaCl2 + H2O + CO2 [g]
State the information provided by the above chemical equation.
Underline the compound in the equation given below, it is incorrectly balanced and write the correct balancing for the same.
PbO2 +4HCl → PbCl2 + H2O + Cl2
