acid, bases and salts

Acid tastes

• sour

• bitter

• salty

• sweet

Bases taste

• sour

• bitter

• salty

• sweet

The correct way to make a solution of acid in water is to

• add water to acid

• add acid to water

• mix acid and water simultaneously

• add water to acid in a shallow container

the process of mixing acid to base is

• neutralization reaction

• crystallisation

• rusting

• oxidation

products of a neutralization reaction are always

• acid and base

• salt and water

• salt and base

• salt and acid

during neutralization reaction , heat is

• released

• absorbed

• some released and some absorbed

• neither released nor absorbed

Turmeric is a natural indicator. on adding its paste to acid and base separately, which colour would be observed

• yellow in both avid and base

• yellow in acid and red in base

• pink in acid and yellow in base

• red in acid and blue in base

phenolphthalein is a synthetic indicator and its colour in acidic and basic solutions , respectively are

• red and blue

• blue and red

• pink and colourless

• colourless and pink

a solution changed red litmus blue, it is a/an

• acid

• base

• salt

acid changes

• red litmus blue

• blue litmus red