Question

(b) Observe the table and answer the following.
13-12
11-8
6-5
4-3
2-1
Indigo
Blue
Green
Yellow
Orange
Red
PH
14
Value
Colour | Violet
Nature of
Strongest
the
Base
substance
Strong
base
Weak
base
Neutral
Weak
acid
Strong
acid
Strongest
acid
(i) Which colour is produced by NaOH with universal indicator?
(ii) Give an example of a chemical substance whjich can produce
indigo colour with universal indicator.
(iii) WWhat is the colour observed when a drop of common salt
solution is added to unviersal indicator?
please answer ​

Answer 1

Answer:

1) NaOH is a basic in nature so it can be scaled by 14.

2) milk of magnesia.

3) yellow .