Advertisements
Advertisements
Question
What effect does the concentration of H+ (aq) ions have on the nature of the solution?
Solution
When acids are added to water, they produce hydrogen ions in water therefore the concentration of the hydrogen ions will increase in water. Since the solution will have more hydrogen ions, it will definitely be acidic in nature.
APPEARS IN
RELATED QUESTIONS
You have two solutions, A and B. The pH of solution A is 6 and pH of solution B is 8. Which solution has more hydrogen ion concentration? Which of this is acidic and which one is basic?
Which of the following types of medicine is used for treating indigestion caused by over-eating?
(a) antibiotic
(b) analgesic
(c) antacid
(d) antiseptic
Why does tooth decay start when the pH of mouth is lower than 5.5?
Which is more acidic : a solution of pH = 2 or a solution of pH = 6?
Fill in the following blank with suitable words:
Acids have a pH...........than 7.
Fill in the following blank with suitable words:
Alkalis have a pH.............. than 7.
Fresh milk has a pH of 6. When it changes into curd (yogurt), will its pH value increase or decrease? Why?
The pH of a cold drink is 5. What will be its action on blue and red litmus solutions?
How does an antacid work?
What effect does the concentration of OH− ions have on the nature of a solution?
The pH values of five solutions A, B, C, D and E are given below:
A | 1 |
B | 5 |
C | 7 |
D | 11 |
E | 13 |
Which solution is weakly alkaline.
The pH values of five solutions A, B, C, D and E are given below:
A | 1 |
B | 5 |
C | 7 |
D | 11 |
E | 13 |
The salt whose aqueous solution will turn blue litmus to red is:
(a) ammonium sulphate
(b) sodium acetate
(c) sodium chloride
(d) potassium carbonate
In acidic solution, the colour of the hibiscus indicator paper will change to _____.
State whether the following statements are true or false. Correct the false statements.
Phenolphthalein is a natural indicator.
Give names of any two natural indicators.
Name the acid present in vinegar.
How will you prepare a china rose indicator?
Take a small beetroot vegetable and cut it into pieces. Boil them in hot water and filter the extract. Take two test tubes. Take sodium hydroxide solution in one test tube and vinegar or lemon juice in another test tube. Add beetroot extract slowly. Observe the colour change. What do you infer?