Acid reactions Year 9

Pure water is _______ on the pH scale.

• Acid
• Base
• Neutral

Tags

NGSS.HS-ESS2-5

Values from 0-14 that determine the acidity of a solution

• Molarity
• Polarity
• pH scale
• Solubility

What is the range of pH values in an acidic solution?

• 0-6
• 8-14
• 15-239058204958
• pH = 7

If the pH of a solution is 9, it is a....

• acid

• alkali

• both

• none

Which is the stronger acid?

• pH 1
• pH 4
• pH 8
• pH 13

Tags

NGSS.MS-PS1-2

How do acidic solutions taste?

• Delicious
• Sweet
• Bitter
• Sour

What are properties of acids?

• Bitter, slippery, ph above 7
• Sour, reacts with metals, ph below 7
• Sour, reacts with metals, ph above 7
• Bitter, ph of 7, does not react with metals

Tags

NGSS.MS-PS1-2

Metals that react quickly/strongly with water and acids are called?

• Reactive
• Unreactive
• Dangerous
• Corrosive

How can you tell that a metal is reacting with water?

• Colour change
• Bright light
• Fizzing
• It gets colder

Tags

NGSS.MS-PS1-2

What are the reactants for the reaction of metal with water?
Metal + water ---> metal hydroxide + hydrogen

• Metal
• Water
• Metal and water
• Metal hydroxide and hydrogen