Chemical Reaction

What is a product?

• A new substance formed as a result of a chemical reaction.

• A type of marketing strategy used to sell goods.

• A financial term referring to the outcome of a calculation.

• A physical item that is sold in a store.

What are the substances used to form a chemical reaction?

• Reagents

• Catalysts

• Chemicals

• Solvents

What is gas in the context of a chemical reaction?

• Fizzing in a liquid.

• A solid precipitate forming.

• A color change in the solution.

• An increase in temperature.

What is a chemical reaction?

• A process where substances (reactants) transform into new substances (products).

• A method of separating mixtures into their individual components.

• A technique used to measure the temperature of a substance.

• A way to combine different elements without changing their properties.

What is a solution?

• A mixture of a solid and a liquid where the solid dissolves into the liquid.

• A combination of two or more solids that do not mix.

• A liquid that contains no dissolved substances.

• A gas mixed with a liquid to form a foam.

What is an example of a chemical change?

• Burning wood.

• Melting ice.

• Dissolving sugar in water.

• Boiling water.

What is the law of conservation of mass?

• Matter cannot be created or destroyed in a chemical reaction.

• Mass can be created or destroyed in a chemical reaction.

• Mass is always conserved in physical changes only.

• Mass can change forms but is never conserved.

What is a reactant?

• A substance that undergoes change in a chemical reaction.

• A product formed after a chemical reaction.

• A catalyst that speeds up a chemical reaction.

• A mixture of two or more substances.

What is a solute?

• The substance that is dissolved in a solution.

• A liquid that dissolves a solute.

• A mixture of two or more substances.

• A solid that cannot dissolve in any liquid.

What is an example of a physical change?

• Burning wood

• Melting ice

• Rusting iron

• Cooking an egg