subject
Chemistry, 23.05.2021 18:10 unknown9263

Observe the statements. I. Phenolphthalein is a colourless solution
II. Phenolphthalein turns pink in basic solution
III. Phenolphthalein turns red in acidic solution
IV. Phenolphthalein remains colourless in acidic solution
Choose the correct option
a. I &II are correct
b. I & III are correct
c. I ,II & IV are correct
d. All the statements are correct

ansver
Answers: 2

Another question on Chemistry

question
Chemistry, 22.06.2019 03:30
In this chemical reaction, 325 grams of barium (ba) react completely. how many moles of lithium (li) are produced?
Answers: 1
question
Chemistry, 22.06.2019 16:40
The diagram below shows the movement of particles. what does this piece of evidence best support? the collision theory the maxwell-boltzmann distribution the effect of pressure on reaction rates the effect of temperature on reaction rates
Answers: 3
question
Chemistry, 22.06.2019 17:40
How much heat is added if 0.814g of water increase in temperature by 0.351 degree c?
Answers: 3
question
Chemistry, 23.06.2019 00:00
Predict the relative bond lengths of the three carbon-oxygen bonds in the carbonate ion (co2−3). what would you expect the charge to be on each oxygen? match the words in the left column to the appropriate blanks in the sentences on the right. make certain each sentence is complete before submitting your answer.
Answers: 3
You know the right answer?
Observe the statements. I. Phenolphthalein is a colourless solution
II. Phenolphthalein turn...
Questions
question
Biology, 08.05.2021 07:50
question
Mathematics, 08.05.2021 07:50
question
History, 08.05.2021 07:50
question
Mathematics, 08.05.2021 07:50
question
Mathematics, 08.05.2021 07:50
Questions on the website: 13722363