p

A basic solution has an increased number of 

• hydronium ions
• valence electrons
• hydroxide ions
• salts

A hydronium ion is formed when 

• a hydrogen ion bonds with a water molecule
• a hydrogen ion bonds with a sodium molecule
• sodium chloride is heated
• an indicator changes color

This kind of substance has a bitter taste and slippery feel

• a base
• an organic compound
• an acid
• an indicator

What is shown in this diagram?

• litmus paper
• a neutralization reaction
• the pH scale
• a pH meter

Where would a neutral solution fall on the diagram?

• at 2
• at 6
• at 7
• at 10

What happens as pH value decreases?

• Acidity increases
• Acidity decreases
• Acidity is not affected
• Basicity increases

Red cabbage juice, litmus paper, bromthymol blue are all examples of __________

• pH scale
• indicators
• acids
• bases

A liquid with a pH of 10.5 is a(n)

• acid
• salt
• neutral
• base

Is this substance acidic, basic, or neutral?

• Acidic
• Basic
• Neutral

Tags

NGSS.MS-PS1-2

Is this substance acidic, basic, or neutral?

• Acidic
• Basic
• Neutral

Tags

NGSS.MS-PS1-2