Incorrect Chemical Formulas: Sometimes an equation is unbalanced because the chemical formulas of the reactants or products are incorrect. For example, writing H2O2 (hydrogen peroxide) instead of H2O ...

1 Write a word equation for the reaction. 2 Write a simple equation by writing the name of each substance with its symbol or formula. 3 Check whether the equation is balanced by counting the atoms of ...

Thus, 0.25 moles of water are produced. Methane (CH₄) reacts with steam (H₂O) to produce hydrogen gas (H₂) and carbon ...

Can be used to recap on creating a balanced equation or could lead into a classroom discussion on chemical changes and structures.

The processes like crystallisation, boiling, vaporisation, burning of colour, melting point, hardness etc, are called physical changes. These are reversible in nature. The processes like ...

Note: This video is designed to help the teacher better understand the lesson and is NOT intended to be shown to students. It includes observations and conclusions that students are meant to make on ...

The atoms in the reactants are: 1 calcium atom, 2 chlorine atoms, 2 sodium atoms, 2 hydrogen atoms, 2 carbon atoms, and 6 oxygen atoms The atoms in the products are: 1 calcium atom, 2 chlorine atoms, ...

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 of ...