Science 6 Learning Recovery Test

The mixtures below are heterogeneous EXCEPT for one. Which mixture is it?

• Oil and water

• Mixed nuts

• fruit salad

• soft drink

Which among the mixtures below is a solution?

• Salt and water

• Vinegar and black pepper

• water and pebbles

• water and vegetables

Which of the following ingredients produce a heterogeneous mixture when mixed together?

• Rock salt and flour

• Sugar and water

• salt and vinegar

• molten copper and zinc

What is the best description of homogeneous mixture?

• It is a uniform mixture.

• It is a non-uniform mixture.

• Its particles can easily be seen.

• It is a two-phased mixture

A kind of heterogeneous mixture in which the particles are easily seen and settle at the bottom of the container.

• Solution

• colloid

• Suspension

• miscible

Which of the following is considered a colloid?

• a mixture of oil and water

• a mixture of salt and iron filings

• a mixture of soil and water

• a mixture of chalk and water

Why is spaghetti a heterogeneous mixture?

• Its ingredients cannot be distinguished easily.

• It has a main component of base ingredient.

• Its ingredients can be identified easily.

• It is a delicious mixture.

What is the best description of Tyndall effect in a colloid?

• The particles are large enough to scatter light.

• The particles are small enough to scatter light

• The particles cannot be seen through a microscope

• The particles are easily seen by the eyes.

Milk is a mixture of liquid butter, fat and water. What kind of mixture is it?

• Colloid

• solution

• Foam

• suspension

What kind of colloid are clouds and fog?

• Liquid dispersed in solid

• Gas dispersed in solid

• Gas dispersed in liquid

• liquid dispersed in gas