Advertisements
Advertisements
प्रश्न
Explain the term ‘chemical equation’.
Advertisements
उत्तर
Chemical equation: “Is the symbolic representation of a chemical reaction using symbols and the formulae of the substances involved in the reaction.”
Sulphur bums in oxygen is a chemical reaction and sulphur dioxide is formed. This can be represented as \[\ce{sulphur + oxygen->[heating] sulphur dioxide}\] is word equation.
\[\ce{S + O2->[\triangle] SO2 is chemical equation.}\]
APPEARS IN
संबंधित प्रश्न
Translate the following statement into a chemical equation and then balance the equation:
Carbon disulphide burns in air to give carbon dioxide and sulphur dioxide.
Balance the following chemical equation :
FeS + HCl → FeCl2 + H2S
What is thermit process?
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:
Iron [II] sulphate to sodium hydroxide.
Give word equation for the following chemical reaction and give the names of the product formed.
Zn + 2HC1→ ZnCl2 + H2
\[\ce{2KClO3->[MnO2] 2KCl + 3O2[g] - is a balanced equation.}\]
State why the compound MnO2 is written above the arrow.
Balance the following simple equation:
Al + O2 → Al2O3
Balance the following simple equation:
H2 + Cl2 → HCl
Balance the following simple equation:
\[\ce{Ca(OH)2 + HNO3 -> Ca(NO3)2 + H2O}\]
What is called thermolysis reactions?
