Turmeric as a pH Indicator

Zarah and Zen conduct an experiment to determine if solutions are acidic or basic using yellow paper strips. Their teacher explains that the paper, coated with turmeric, acts as an indicator. Turmeric turns red in basic solutions but remains yellow in acidic ones. The video also introduces other natural indicators for detecting the nature of solutions.

What were Zarah and Zen excited to test in their experiment?

• The color of the paper

• The taste of the solutions

• Whether solutions are acidic or basic

• The temperature of the solutions

What unexpected result did Zen observe when he dropped a solution on the paper?

• The paper remained yellow

• The paper dissolved

• The paper turned bright red

• The paper turned blue

What is the role of an indicator in chemistry?

• To change the temperature of a solution

• To identify if a solution is acidic or basic

• To detect the color of a solution

• To measure the volume of a solution

What is the yellow paper used by Zarah and Zen made of?

• Blotting paper with lemon juice

• Blotting paper with salt

• Blotting paper with turmeric

• Blotting paper with vinegar

How does turmeric indicate a basic solution?

• It remains yellow

• It turns red

• It turns green

• It turns blue

What happens to turmeric when it comes in contact with an acidic solution?

• It remains yellow

• It turns green

• It turns blue

• It turns red

What does a brighter red color indicate when using turmeric as an indicator?

• A more acidic solution

• A more basic solution

• A neutral solution

• A diluted solution

What is the main advantage of using turmeric as an indicator?

• It changes color with all solutions

• It is easily available

• It requires special equipment

• It is expensive

What is the color of turmeric in its natural state?

• Red

• Blue

• Green

• Yellow

What will the next part of the video discuss?

• More tests with turmeric

• Other natural indicators

• The history of turmeric

• The chemical composition of acids