Acids, Bases And Salts

Chemical symbol of chlorine is

• C

• Ch

• Cl

• Cr

Which of these taste sour?

• acids

• bases

• salts

• elements

Tags

NGSS.MS-PS1-2

Which of these feel slippery?

• bases

• acids

• salts

• mixtures

Which of these turn red litmus paper blue?

• acids

• bases

• salts

Tags

NGSS.MS-PS1-2

Which type of ions are produced by bases when they are in a water solution?

• OH^-

• H⁺

• H₂O

• HCl

Tags

NGSS.MS-PS1-2

Chemicals formed when an acid and a base combine.

• salts

• noble gases

• metalloids

• hydroxides

Tags

NGSS.MS-PS1-2

Unsweetened chocolate tastes bitter because chocolate contains a

• base

• acid

• chemical salt

• mixture

Most foods are 

• Acid
• Basic
• Neutral
• salts

Tags

NGSS.MS-LS1-7

Why does vinegar help preserve things like pickles? 

• It keeps moisture in. 
• It preserves flavors and crispness
• It kills bacteria that break down foods. 
• It keeps the cells alive

Tags

NGSS.MS-PS1-2

Indicators change color in the presence of a(n) _______________.

• acid or base
• buffer
• water molecule
• ester

Tags

NGSS.MS-PS1-2