Question

Suosius
mark
the correct alternative in the box with pen:
1. Phenolphthalein is
(A) the natural indicator
can olfactory indicator
(B) the synthetic indicator
(D) the universal indicator
When phenolphthalein is added to NaOH, the colour of the solution
will become
(A) colourless
(B) red
(C) pink (D) yellow
The colour of universal indicator paper in neutral solution
is .
..
.***
(A) yellow (B) green (C) orange (D) pink
4. When phenolphthalein is added to HCI, the colour of the solution
will be
(A) red (B) pink (C) green (D) colourless​

Answer 1

Answer:

I think point

Explanation:

1. b
2. a
3. c
4. a

please mark as brilliant