Which of these is a property of acids?

a-they turn litmus paper blue.

b- they typically contain an -oh group.

c -they taste sour.

d -they feel slippery.

C = They taste sour

Explanation:

The option C is correct. Acids are sour in taste.

All other options are incorrect because,

A = they turn litmus paper blue.

It is the property of base.

B = they typically contain an -OH group.

It is the property of base. Bases give hydroxyl ion.

C = They are sour in taste.

It is the property of acid.

Acids gives H⁺ ions.

D = They feel slippery

It is the property of base. Strong bases are slippery and feel slimy.

air quality

poor drinking water

and heavy polution

can lead to poor health

what is the average time it took the car to travel 0.25 meters?

⇒ 2.23 seconds

what is the average time it took the car to travel 0.50 meters?

⇒ 3.13 seconds