Mixtures, Solutions, and Conservation of Matter

Front

What is a mixture?

Back

A mixture is a combination of two or more substances where each substance retains its own properties.

Front

What is a solution?

Back

A solution is a type of mixture where one substance is completely dissolved in another, making it appear uniform.

Front

What happens to the mass of a mixture when substances are combined?

Back

The mass of a mixture stays the same after the substances are combined.

Front

What is the law of conservation of matter?

Back

The law of conservation of matter states that matter cannot be created or destroyed in a chemical reaction; it can only change forms.

Front

Can a solution be separated by filtering?

Back

No, a solution cannot be separated by filtering because the dissolved particles are too small to be caught by the filter.

Front

What happens to sugar when it dissolves in water?

Back

When sugar dissolves in water, it breaks down into smaller particles and spreads evenly throughout the water.

Front

What is the mass of a solution made by mixing 200 grams of water with 25 grams of sugar?

Back

The mass of the solution is 225 grams (200 grams of water + 25 grams of sugar).

Front

Why does the mass of clay remain the same after shaping it?

Back

The mass of clay remains the same after shaping because no material is added or removed; it only changes form.

Front

What is an example of a solution?

Back

An example of a solution is salt water, where salt is dissolved in water.

Front

What is the difference between a mixture and a solution?

Back

A mixture can be separated into its components, while a solution is a homogeneous mixture that cannot be easily separated.