Indicators

Indicators

Multiple Choice

Name the indicator that turns to green when added in the base.

• china rose

• turmeric

• litmus paper

• phenolphthalein

Multiple Choice

which of the following indicator is obtained from lichen

• turmeric

• phenolphthalein

• litmus

• none of these

Multiple Choice

Name the solution that turns blue litmus to red .

• salt solution

• neutral solution

• acid solution

• base solution

Multiple Choice

which of the following is not a natural indicator?

• phenolphthalein

• turmeric

• litmus

• china rose

Multiple Choice

A solution that does not show any colour change is

• acidic solution

• basic solution

• neutral solution

• none of these

Multiple Choice

Which of the following is not an indicator?

• pH paper

• litmus paper

• hydrochloric

• none of these

Multiple Choice

what will be the colour change in baking soda when phenolphthalien is added

• blue

• pink

• colourless

• red