Chemistry Practicals Class 9
Law of Conservation of Mass
- Teach science experiments in a gamified way
- Boost conceptual clarity and knowledge retention
- Aligned with National Education Policy 2020
- Helpful in getting NAAC accreditation
- CBSE, ICSE, and state boards aligned curricula
- Engaging simulations with easy-to-teach instructions
About Simulation
- Through interactive modules, you will grasp the Law of Conservation of Mass, comprehending its fundamental importance in chemical reactions.
- This understanding elucidates how mass remains constant before and after chemical transformations, enriching your knowledge of fundamental principles.
- Explore the chemical equation depicting the reaction between sodium sulphate and barium chloride, deepening your understanding of chemical reactions and their representation.
- By engaging with this equation, you can unravel the intricate dynamics of chemical transformations.
- Hone your skills in precise mass measurement techniques, mastering the ability to accurately quantify the mass of reactants and products before and after chemical reactions.
Simulation Details
Description
A chemical reaction is a process by which one set of chemical substances is transformed into another. There are different types of chemical reactions, such as:
- Acid-base Reactions
- Precipitation Reactions
- Synthesis Reactions
- Oxidation-Reduction Reactions
- Displacement Reactions
- Decomposition Reactions
Substances that chemically react are called reactants, and the newly formed substances are called products.
A French chemist, Antoine Lavoisier, who is known as the father of modern chemistry, changed chemistry from a qualitative to a quantitative science. He proved that the mass of the products in a chemical reaction is equal to the mass of the reactants. There are no more atoms at the end of the chemical reaction than there were at the beginning.
The Law of Conservation of Mass states that matter can neither be created nor destroyed in a chemical reaction.
Examples:
- Consider the formation of water molecules. Hydrogen combines with oxygen to form a water molecule.
In this case, the total mass of the reactants = the total mass of the products. Also, the number of atoms of hydrogen and oxygen in the reactants side and the products side are equal.
Watch this video to learn more about chemistry.
Requirements for this Science Experiment
⦁ Sodium sulphate solution ⦁ Barium chloride solution ⦁ Conical flask ⦁ Test tube ⦁ Measuring cylinder ⦁ Weighing balance ⦁ Thread ⦁ Rubber cork
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