Acid and Bases

Lemon juice is ....................... in taste

• Sour

• Bitter

• Salty

• Sweet

Which of the following is a Mineral Acid?

• Citric Acid

• Oxalic Acid

• Glycolic Acid

• Sulphuric Acid

Fruits such as oranges , lemon etc, contain ........................... Acid

• Citric

• Lactic

• Ascorbic

• Acetic

Which one of the following is not a neutral substance ?

• Glucose

• Sodium Hydroxide

• Urea

• Sugar

Bases are generally ............................ to touch

• Hot

• Cold

• Soapy

• Rough

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Hydrochloric Acid solution affect .......................... litmus paper

• Red

• Blue

• Both of these

• None of these

Tags

NGSS.MS-PS1-2

A sour taste is a characteristic of:

• acids

• bases

• neutral

• pH scale

Which is a characteristic of a base?

• tastes sour

• found mostly in foods

• feels slippery

• turn litmus paper red

According to Arrhenius, what is the definition of an ACID?

• a substance that contains hydroxide and ionizes to produce OH-

• a substance that contains hydrogen and ionizes to produce H+

• a substance that contains hydrogen and ionizes to produce OH-

• a substance that contains hydroxide and ionizes to produce H+

According to Bronsted-Lowry, what is the definition of an BASE?

• a substance that donates a hydrogen (H+) ion

• a substance that donates a hydroxide (OH-) ion

• a substance that accepts a hydrogen (H+) ion

• a substance that accepts a hydroxide (OH-) ion