Acid and Bases

Acids taste .....

• sour

• bitter

• sweet

• umami

Rain water is slightly acidic. What is its pH?

• 1.0

• 5.6

• 7.0

• 8.2

Indigestion can be treated by drinking ....

• water

• antacid

• vinegar

• sodium hydroxide

The color of universal indicator in sodium hydroxide:

• Red

• Yellow

• Purple

• Green

Which substance is an acid?

• Water

• Bleach

• Orange juice

• Washing powder

• PH scale

• pH ruler

• pH scale

• pH statistical tables

Tags

NGSS.MS-PS1-2

Which of the following will change the red litmus paper to blue?

• Sodium hydroxide

• Hydrochloric acid

• Sulphuric acid

• Nitric acid

Which substance is alkali?

• Toothpaste

• Vinegar

• Lemon juice

• Soft drink

The reaction between acid and alkali known as

• Titration

• Neutralisation

• Halogenation

• Addition

Tags

NGSS.MS-PS1-5

What will we be the colour of phenolphthalein in sodium hydroxide in conical flask above

• Colourless

• Pink

Tags

NGSS.MS-PS1-2