BASIC SCIENE YR 7 REVISION QUIZ!!!

Which of these is a Chemical Property?

• Density

• Colour

• Odour

• Òxidizer

An Acid...

• Has a pH of 7.0

• Has a pH of 7.1 or higher

• Has a pH of 6.9 or lower

• None Of The ABove

A Base

• Has a pH of 6.9 or lower

• Has a pH of 7.1 or higher

• Has a pH of 7.0

• Has a pH o 14.0

A Neutral substance...

• Has a pH of 7.0

• Has a pH of .7

• Is a mixture of Acid and Base

• Makes up a Neutral reaction

A Neutral reaction

• Mixture of an Acid and Base

• Is what makes a Neutral substance

• has a pH of 7.0

• None of da above.

What is a diet

• Food in the right proportions.

• A combination of the 6 classes of food.

• NONE OF THEM

• The food you eat each day