Mixtures Quiz

What is the characteristic of a solution?

• Particles settle on standing

• Particles scatter light

• Homogeneous mixture

• Particle size greater than 1000 nanometers

Answer explanation

A characteristic of a solution is that it is a homogeneous mixture. This means that the particles are evenly distributed throughout the solution.

What is the characteristic of a suspension?

• Homogeneous mixture

• Particle size between 0.01 to 1 nanometers

• Particles remain suspended

• Particles don't scatter light

Answer explanation

A suspension is a mixture where particles remain suspended. This is the characteristic that distinguishes it from other types of mixtures.

What is the characteristic of a colloid?

• Particles scatter light

• Homogeneous mixture

• Particle size greater than 1000 nanometers

• Particles settle on standing

Answer explanation

A characteristic of a colloid is that particles scatter light.

What is the particle size in a solution?

• Greater than 1 nanometers

• Greater than 1000 nanometers

• Between 0.01 to 1 nanometers

• Less than 0.01 nanometers

Answer explanation

The particle size in a solution is less than 0.01 nanometers. This choice is correct because it falls within the specified range and is the smallest size among the options provided.

What happens to particles in a suspension on standing?

• Particles scatter light

• Particles don't scatter light

• Particles remain suspended

• Particles settle down

Answer explanation

Particles in a suspension settle down due to gravity.

What is the Tyndall effect related to?

• Solution

• Homogeneous mixture

• Suspension

• Colloid

Answer explanation

The Tyndall effect is related to colloids. It occurs when light is scattered by particles in a colloid, making the beam visible.

How are particles distributed in a colloid?

• Dissolved in the solvent

• Scatter light

• Evenly distributed

• Settle on standing

Answer explanation

Particles in a colloid are evenly distributed, unlike dissolved particles. They do not settle on standing and scatter light.

What is the characteristic of a homogeneous mixture?

• Particles scatter light

• Particles settle on standing

• Particle size greater than 1000 nanometers

• Uniformly distributed

Answer explanation

A characteristic of a homogeneous mixture is that it is uniformly distributed.

How can a suspension be separated?

• By remaining suspended

• By scattering light

• By filtration

• By settling down

Answer explanation

A suspension can be separated by filtration. Filtration allows the solid particles to be trapped while the liquid passes through.

What is the particle size in a colloid?

• Between 0.01 to 1 nanometers

• Greater than 1000 nanometers

• Less than 0.01 nanometers

• Greater than 1 nanometers

Answer explanation

The particle size in a colloid is between 0.01 to 1 nanometers, which is the correct choice.