Unit 1A Review

This is a substance that has a pH below 7 on the pH scale.

• acid
• base

• neutral substance

A substance with a pH of 11.6 is.

• basic
• acidic

• neutral

• none of these

A substance with a pH of 5.3 is...

• acidic
• basic

• neutral

• none of these

Pick the correct property of water: Water droplets attract one another and form a larger pool of water.

• cohesion
• adhesion

Bases are corrosive to...

• paper

• metal

• glass

• organic materials

Laundry detergent and bleach would be classified as _____________ on the pH scale.

• bases
• acids

• neutral substances

Term used to describe acids that react with some metals by wearing away the metal.

• corrosive
• non-reactive

• neutral

• basic

Carbon is considered an element, while carbon dioxide is considered a compound. This is because carbon dioxide is –

• given off by green plants.

• a gas at room temperature.

• useful to human beings

• made of two different elements.

Tags

NGSS.MS-PS1-1

Acids have a _________ taste.

• sour
• bitter

What property of water allows it to bead up on the hood of this car?

• cohesion
• adhesion

• surface tension

• capillary action