C4 revision

The pH of pure water

• 5.6

• 7.0

• 8.1

• 0.0

The color of universal indicator in pure water:

• Red

• Blue

• Purple

• Green

Acids taste .....

• sour

• bitter

• sweet

• umami

Reaction between acid and alkali producing salt and water:

• Combustion

• Neutralization

• Precipitation

• Decomposition

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Something that can be used to identify acid/alkali:

• Indicator

• Oxidator

• Reductor

• Terminator

pH of alkali:

• 0

• 7

• below 7

• above 7

A solution with a pH of 3.6 would be...

• Acid
• Base
• Neutral
• Acid and Base

What colour is pH neutral?

• Yellow

• Orange

• Red

• Green

Which of the following is a sign that a chemical reaction has occurred?

• change in shape
• melting
• formation of a gas
• dissolving

Tags

NGSS.MS-PS1-2

What is the reactivity series?

• A list of metals ordered by their solubility

• A list of non metals ordered by their reactivity

• A list of elements ordered by their reactivity

• A list of atoms ordered by their reactivity