G5 Comprehensive Test

What happens to the wet clothes hang under the heat of the sun after 1

hour?

• The clothes are all dried up.

• The clothes are still wet.

• The clothes turn yellow.

• The clothes are gone.

What is the process we use to get salt out from salt solution?

• Evaporation

• Condensation

• Melting

• Freezing

Which of the following is true about material X?

• Material X is a rock.

• Material X is sand.

• Material X is a Styrofoam.

• Material X is a coin.

What is the new substance being formed

       when we burn the wood?

    

• Rust

• Charcoal

• Curd

• Caramel

Which of the following materials have

    solubility in water?

• X only

• X and Y only

• Y and Z only

• Z only

Which of the following is not a physical

    change?

    

• Frying of an egg

• Breaking of glass

• Freezing of apple juice

• Melting of butter

Which does not dissolve in water?

• Plastic

• Coffee powder

• Milk powder

• Himalayan salt

Which of the following materials are insoluble in water?

• I only

• II and IV only

• I and IV only

• I and II only

Which of the following is the reason

      why things considered to undergo a

      chemical change?

• It is because there is no new   

      substance being formed.

• It is because there is a new

      substance being formed.

• It is because there is nothing

       that happened.

• It is because it does not use chemicals.

What kind of gas is created when   

      plants make their own food?

    

• Helium

• Carbon dioxide

• Nitrogen

• Oxygen