Acid and Alkali

• Sulphuric acid

• Hydrochloric acid

• Nitric acid

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Salt and water are produced when acid reacts with alkali. Salt produced is

• acidic.

• alkaline.

• neutral.

______ facial cleanser can be neutralised by _______ facial toner.

• Acidic, acidic

• Acidic, alkaline

• Alkaline, alkaline

• Alkaline, acidic

Waste substances from factories will be treated with _________ before being discharge into the river.

• acid

• alkali

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Acids have pH value

• Less than 7

• 7

• More than 7

Acids has ____________ taste.

• bitter

• sour

• no

Both acid and alkali can be corrosive.

• Yes

• No

Acids change blue litmus paper from

• blue to red

• red to blue

When alkalis are tested using Universal indicator, the indicator turns

• red

• green

• blue

Tomato has pH value less than 7.

• True

• False