Acids and bases

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

Chemicals formed when an acid and a base combine.

• salts

• noble gases

• metalloids

• hydroxides

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

A base has a ___________ taste.

• bland
• salty
• bitter
• sour

 Which of the following is an acid?

• shampoo
• baking soda
• orange juice
• water

Common salt is

• Acidic

• Neutral

• Basic

• all of them

From which plant litmus is extracted

• Lichens

• Roses

• neem

• China rose

Choose the odd one out.

• Lemon

• Tamarind

• Vinegar

• Sugar