Acids and Bases Test

Among methyle orange, phenophthalein, Turmeric paper and Litmus paper which one is natural indicator

• methyle orange

• phenophthalein

• Turmeric paper

• Litmus paper

The process of mixing of acids and bases in definite proportions is called

• Salt

• Water

• Neutralisation

• Concentration

Tags

NGSS.MS-PS1-5

Acids change Red litmus to

• Yellow

• No change

• Pink

• Green

Acids change

• Red litmus to Yellow

• Red litmus to Blue

• Blue litmus to Red

• Blue litmus to green

Bases change Red litmus to

• Blue

• No change

• Pink

• Yellow

The colour of Methyle orange indicator in acidic solution is

• Blue

• Red

• Yellow

• Pink

The comon name for acetic acid is

• Olive oil

• Lime water

• Vinegar

• Gingelly oil

Among hydrochloric acid, Sulphuric acid, Formic acid and Nitric acid___ is natural acid

• Hydrochloric acid

• Sulphuric acid

• Formic acid

• Nitrc acid

The pH scale ranges from _______ to __________

• 0-6

• 8-14

• 0-14

Acids are located from ______ to _______

• 0-6

• 8-14

• 0-14