Advertisements
Advertisements
Question
Explain the term ‘chemical equation’.
Advertisements
Solution
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
RELATED QUESTIONS
Find the odd man out:
Turmeric, Methyl Orange, Rose petals, Beetroot.
What are the various ways in which a chemical equation can be made more informative? Give examples to illustrate your answer.
State one characteristic of the chemical reaction which takes place when lemon juice is added gradually to the potassium permanganate solution.
Why do we need to balance chemical equations?
Write word equation for the following skeletal equation:
\[\ce{CO + O2 -> CO2}\]
Balance the following chemical equation :
Na2CO3 + HCl → NaCI + H2O + CO2
Balance the equation stepwise.
H2S2O7(l) + H2O(l) → H2SO4(l)
Write the balanced chemical equation of the following reaction.
zinc sulphide + oxygen → zinc oxide + sulphur dioxide
In certain reaction a change of state is observed i.e. solid to liquid, liquid to gas etc. – State the change of state of the products – to give the respective reactant.
\[\ce{2H2O ->[electric][current] 2H2 + O2}\]
Balance the given chemical reaction as per the instructions below.
\[\ce{NaOH + H2SO4 -> Na2SO4 + H2O}\]
Write names of reactants and products of chemical reaction.
