When acid and base react with each other.what compound are formed?

• Water only

• Metal oxide only

• Salt and water

• All the above

PH>7

The PH of lemon juice will be

• More than 7

• Less than 7

• Equal 7

• None of these

On dilution an acid concentration of H+ per unit volume

• Decrease

• Increases

• Remains un affected

• No changes

Tags

NGSS.HS-PS1-5

What is the nature of water

• Acidic

• Basic

• Netural

• None of the above

This image represents

• neutralization reaction

• synthesis

• decompostion

• single displacement

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What are properties of a base?

• Slippery, bitter, does not react with metals, pH above 7.
• Slippery, bitter, reacts with metals, pH below 7.
• Sour, reacts with metals, pH below 7
• Sour, reacts with metals, pH above 7.

Which is the correct set of acid properties?

• sour taste, reacts with metals, change litmus paper blue

• sour taste, reacts with metals, change litmus paper red

• bitter taste, slippery, change litmus paper red

• sour taste, slippery, change litmus paper red

Conducts electricity (electrolytes)

• acid

• base

• ionic compounds

• All of the above

Tags

NGSS.HS-PS2-5

Turns indicators different colors

• acid

• base

• both an acid and a base

Tags

NGSS.MS-PS1-2