THE PROPERTIES OF ACIDS AND ALKALIS

THE PROPERTIES OFACIDS AND ALKALIS

by KASMAWATI Moe

Multiple Choice

Acids have pH value

• Less than 7

• 7

• More than 7

Multiple Choice

Acids has ____________ taste.

• bitter

• sour

• no

Multiple Choice

Both acid and alkali can be corrosive.

• Yes

• No

Multiple Choice

Acids change blue litmus paper from

• blue to red

• red to blue

Multiple Choice

Alkalis react with metal and produce hydrogen gas.

• Yes

• No

Multiple Choice

When alkalis are tested using Universal indicator, the indicator turns

• red

• green

• blue

Multiple Choice

When a neutral solution is tested using Methyl orange, what colour is formed?

• yellow

• orange

• red

Multiple Choice

Detergents have pH more than 7.

• True

• False

Multiple Choice

Tomato has pH value less than 7.

• True

• False

Multiple Choice

• PH scale

• pH ruler

• pH scale

• pH statistical tables

Multiple Choice

What does this hazard symbol mean?

• toxic

• flammable

• corrosive

• explosive

Multiple Choice

Strong acids and alkalis are...

• Sour

• Sweet

• Corrosive/Caustic

• Burn litmus paper

Multiple Choice

What colour is universal indicator in strong acid?

• Green
• Orange
• Purple
• Red

Multiple Choice

According to the pH range which substance is more acidic than lemon juice

• Hydrochloric acid
• cabbage
• milk

Multiple Choice

Bleach is a strong alkali, what is the pH level of bleach?

• 13

• 10.5

• 1

• 2

Multiple Choice

Which of the following is alkali?

Multiple Choice

Which of the following is acid?

Multiple Choice

What is the pH of distilled water?

• pH 12

• pH 3

• pH 8

• pH 7