Chemistry, 11.10.2021 20:10 speresenko

Pls help me asap Following questions consist of two statements – Assertion (A) and Reason (R). Answer these questions selecting the appropriate option given below:
(a) Both A and R are true and R is the correct explanation of A.
(b) Both A and R are true but R is not the correct explanation of A.
(c) A is true but R is false.
(d) A is false but R is true.

Assertion : Phenolphthalein is an acid-base indicator.
Reason: Phenolphthalein gives different colours in acidic and basic medium.

Answers: 3

Show answers

Other questions on the subject: Chemistry

Chemistry, 22.06.2019 08:30, july00

In the millikan oil drop experiment they determined that every drop had a charge which was a while number multiple of -1.60x10^-19. if a drop has a total charge of -9.60x10^-19 then how many excess electrons are contained within the drop?

Answers: 2

continue

Chemistry, 22.06.2019 14:30, emilymartinez75

Need ! asap will mark 10 pts using the room temperature line (orange line) and your periodic table, make lists that identify the state of matter (gas, liquid, or solid) in which each element you plotted exists at room temperature. explain your answers

Answers: 1

continue

Chemistry, 22.06.2019 16:00, rorymartin04

No copying 15 pts how does a free-body diagram tell you about the net force on an object?

Answers: 2

continue

Chemistry, 22.06.2019 19:00, mmm5398

Which statement best describes what happens when molecular compounds melt

Answers: 1

continue

You know the right answer?

Pls help me asap Following questions consist of two statements – Assertion (A) and Reason (R). Ans...