acids,bases and salts

when a base and acid reacts what is formed?

• water+salt

• salt

• water

• base

a substance that changes colours with acidic and basic solution.

color of phenolphthalein ?

a reaction when acid reacts with base.

• neutralization

• crystalization

• galvanization

what happens when few drops of phenolphthalein solution is added to sodium hydroxide solution??

• it turns red

• it turns blue

• it turns pink

• it turns yellow

a natural indicator.

what kind of aid does a ant sting contain?

• citric acid

• boric acid

• formic acid

• oxalic acid

what is the nature of salt

• acidic

• basic

• formic

• neutral