PM2 Review Questions 2023

Front

What is filtration?

Back

Filtration is a process used to separate solids from liquids or gases using a filter that allows only the fluid to pass through.

Front

What is sifting?

Back

Sifting is a method used to separate larger particles from smaller ones by passing the mixture through a sieve or screen.

Front

What is evaporation?

Back

Evaporation is the process by which liquid turns into vapor, often used to separate a dissolved solid from a liquid.

Front

What is boiling?

Back

Boiling is the rapid vaporization of a liquid when it reaches its boiling point, resulting in the formation of bubbles.

Front

What are the three states of matter?

Back

The three states of matter are solid, liquid, and gas.

Front

How do gas particles behave?

Back

Gas particles are widely spaced and move freely, filling the entire volume of their container.

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 happens to the properties of components in a mixture?

Back

The properties of the components of a mixture remain the same after mixing.

Front

What is the best method to separate salt from a mixture containing water?

Back

The best method is to dissolve the salt in water and then use evaporation to separate it.

Front

What is magnetic attraction?

Back

Magnetic attraction is a force that pulls certain metals, like iron, towards a magnet.