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Published: 13/05/2019
KS3 | Chemistry
12 pages

Conservation of mass

The resource provides a structure for a lesson about conservation of mass. It includes a student investigation and worksheet and a mini-plenary quiz. 

Sample questions

6 g of salt is dissolved in 150 ml of water. The solution is left until all the water has evaporated. How much salt would be left in the beaker? 

A. 3 g     B. 6 g     C. 150 g      D. 156 g

4. In a chemical reaction, the total mass of the reactants is 30 g. What will the total mass of the products be?

A. 15 g     B. 60 g     C. Not possible to tell     D. 30 g


See other resources: Chemical reactions and energetics

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