Question

What are the different types of natural indicators and artificial indicators and their effects with acids and bases? ​

Answer 1

Natural indicator

• Turmeric
• red litmus(turns base blue and no colour change in acid)
• blue litmus(turns acid red and no colour change in base
• china rose
• petals of hyrangia
• red cabbage leaves

Offactory indicators

• onion
• vanilla base

Explanation:

Artificial indicators

• phenoptheli
• mythlene orange

Answer 2

Answer = NATURAL INDICATORS

1. Turmeric = base-indicator

2. China rose = acidic - indicator

3. Red cabbage = acidic - indicator

ARTIFICIAL INDICATOR

1. Phenolphthalein = weak acid - indicator

2. Methyl Orange = weak acid - indicator