MCQ
The indicator which produces a pink colour in an alkaline solution is :
- AMethyl orange.
- BTurmeric paper.
- ✓Phenolphthalein.
- DLitmus paper.
✓
Answer
Correct option: C.
Phenolphthalein.
Phenolphthalein produces a pink colour in an alkali solution.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Father of Human genetics is
Which of the following statements are usually correct for carbon compounds? These :
- Are good conductors of electricity.
- Are poor conductors of electricity.
- Have strong forces of attraction between their molecules.
- Do not have strong forces of attraction between their molecules.
Four identical wires each having resistance $R$ are connected as shown in the figure. Equivalent resistance between $A$ and $B$ is : 
→Carbon forms four covalent bonds by sharing its four valence electrons with four univalent atoms, e.g. hydrogen. After the formation of four bonds, carbon attains the electronic configuration of:
A student weighed some raisins and recorded the weight as $‘x\ ’$. She then soaked the raisins in distilled water. After about $2$ hours she removed the raisins, wiped them dry and weighed again and recorded that as $‘y\ ’.$ The percentage of water absorbed by raisins may be determined using the relationship:
→The first member of alkyne homologous series is :
If the number of protons in one atom of an element $Y$ is $20,$ then the number of electrons in its ion $Y^{2+}$ will be :
→To which of the following directional stimulus roots of a plant do not respond?
Which of the statements about the reaction below are incorrect $?\ 2 \mathrm{PbO}(\mathrm{s})+\mathrm{C}(\mathrm{s}) \rightarrow 2 \mathrm{~Pb}(\mathrm{~s})+\mathrm{CO}_2(\mathrm{~g})$
→- Lead is getting reduced.
- Carbon dioxide is getting oxidised.
- Carbon is getting oxidised.
- Lead oxide is getting reduced.
Following are certain reflex actions occurring in our body.
→- Moving to the side of road when a speeding car approaches.
- Closing of eyes in response to a sudden bright light.
- Shouting when we are suddenly disturbed or get scared.
- Withdrawing hands on touching a hot surface. The reflex is given below, will be occurring for.