Foundation Level-II NEET Mock Test-3 ( Chemistry 2024-2025)

The gastric juice which is secreted in our stomach contains____________

• Sodium hydroxide

• Magnesium hydroxide

• Hydrochloric acid

• Sulphuric acid

Colours of phenolphthalein indicator in acidic and basic medium, respectively are__________

• Pink and colourless

• Colourless and pink

• Blue and red

• Red and blue

Which of the following is a natural indicator?

• China rose petal

• Turmeric

• Litmus

• All of these

Which of the following is basic in nature?

• Lime water

• Baking soda

• Both Lime water and Baking soda

• None of these

On adding phenolphthalein indicator to a colourless solution, no change is observed. The nature of the solution may be_________

• Acidic or basic

• Basic

• Acidic or neutral

• Basic or neutral

When a drop of vinegar solution is put on the litmus paper, it turns_________

• Blue

• Green

• Yellow

• Red

The most commonly used natural indicator is __________

• Turmeric

• China rose petal

• Beet root juice

• Litmus

The correct way of making a solution of acid in water is to__________

• Add water to acid

• Add acid to water

• Mix acid and water simultaneously
  

• Add water to acid in a shallow container

Calcium hydroxide is found in____________

• Lime water

• Window cleaner

• Soap

• Lime juice

A neutralisation reaction gives__________

• Acid and base

• Salt and water

• Acid and salt

• Base and salt