Chemistry
Answer
Difference between chemical reaction and chemical equation :
| Chemical reaction | Chemical equation |
|---|---|
| Any chemical change in matter which involves its transformation into one or more new substances is called a chemical reaction. | A chemical reaction can be represented with the help of symbols or the formulae of the elements and the compounds taking part in the reaction in the form of a chemical equation. |
| Example of chemical reaction is burning of candle. | Example — 2H2 + O2 ⟶ 2H2O |
Related Questions
State four conditions necessary for chemical reactions to take place.
Differentiate between Reactants and products.
Differentiate between A balanced and a skeletal chemical equation.
Write word equations for the following skeletal equations:
(a) KClO3 ⟶ KCl + O2
(b) Zn + HCl ⟶ ZnCl2 + H2
(c) FeCl2 + Cl2 ⟶ FeCl3
(d) CO + O2 ⟶ CO2
(e) Ca + O2 ⟶ CaO
(f) Na + O2 ⟶ Na2O
(g) NaOH + H2SO4 ⟶ Na2SO4 + H2O
(h) AgBr ⟶ Ag + Br2
(i) KNO3 ⟶ KNO2 + O2
(j) FeS + 2HCl ⟶ FeCl2 + H2S
(k) Na2CO3 + 2HCl ⟶ 2NaCl + H2O + CO2
(l) 2H2 + O2 ⟶ 2H2O
(m) Na2O + H2O ⟶ 2NaOH