Chemical equations must be balanced so that the quantities of reactants and products match. ... Calculate the percentage mass of iron in iron (III) oxide. Step one.

Question 20. Write the balanced chemical equation for the following reactions and identify the type of reaction in each case. (a) In Thermite reaction, iron (III) oxide reacts with aluminium and ...

NCERT Class 10 Science Chapter 1 Intext Question Answer: Chemical Reactions and Equations are an important part of the Class 10 Science curriculum that helps students understand the various types ...