Chemistry
Grade-10
Easy
Question
Based on the following picture, what will change the color of blue litmus paper to a red one?
Hint:
Pickle will change the color of the blue litmus to red.
The correct answer is:
- The acids turn blue litmus paper into the red.
- Acetic acid, commercially known as vinegar, is the acid used in pickles.
- As a result, the color of the blue litmus will shift to red.
Related Questions to study
Chemistry
A sample solution is present in the container (X). A filter paper is dipped inside this solution and then the lime solution. After dipping in the lime water, the color of the filter paper changes to reddish-brown. What will be the sample solution present in container (X)?
A sample solution is present in the container (X). A filter paper is dipped inside this solution and then the lime solution. After dipping in the lime water, the color of the filter paper changes to reddish-brown. What will be the sample solution present in container (X)?
ChemistryGrade-10
Chemistry
A neutral solution turns a blue litmus paper into:
A neutral solution turns a blue litmus paper into:
ChemistryGrade-10
Chemistry
When turmeric is added to the hydrochloric acid solution, what change will occur here?
When turmeric is added to the hydrochloric acid solution, what change will occur here?
ChemistryGrade-10
Chemistry
Substances like dark chocolate that have a bitter taste, usually indicates that it would be classified as a
Substances like dark chocolate that have a bitter taste, usually indicates that it would be classified as a
ChemistryGrade-10
Chemistry
Substances that taste sour like lemon juice tend to be classified as
Substances that taste sour like lemon juice tend to be classified as
ChemistryGrade-10
Chemistry
A chemical has a pH = 6. It would be best described as
A chemical has a pH = 6. It would be best described as
ChemistryGrade-10
Chemistry
A solution has a pH of 7.0. What would happen to the pH if H+ ions were added?
A solution has a pH of 7.0. What would happen to the pH if H+ ions were added?
ChemistryGrade-10
Chemistry
A pH of 3 is how many times more acidic than a pH of 5?
A pH of 3 is how many times more acidic than a pH of 5?
ChemistryGrade-10
Chemistry
In a test of pH levels, baking soda has a pH of 9 and bleach has a pH of 12. What is true about their relationship?
In a test of pH levels, baking soda has a pH of 9 and bleach has a pH of 12. What is true about their relationship?
ChemistryGrade-10
Chemistry
Which of the following analogy is incorrect?
Which of the following analogy is incorrect?
ChemistryGrade-10
Chemistry
Identify the incorrect statements from the following.
I. Aluminium Hydroxide is a strong base.
II. Magnesium reacts with cold water to give magnesium oxides with the liberation of hydrogen gas.
III. Boric acid is an excellent cleaner for all worms and insects in the food grains.
IV. Sodium sulphate is the salt formed by sodium hydroxide and sulphuric acid.
Identify the incorrect statements from the following.
I. Aluminium Hydroxide is a strong base.
II. Magnesium reacts with cold water to give magnesium oxides with the liberation of hydrogen gas.
III. Boric acid is an excellent cleaner for all worms and insects in the food grains.
IV. Sodium sulphate is the salt formed by sodium hydroxide and sulphuric acid.
ChemistryGrade-10
Chemistry
When a superheated stream passes through a metal M, a metal oxide is formed and when the red litmus paper is dipped inside the solution of this metal oxide, it changes to blue colour.
Identify the metal “M”.
When a superheated stream passes through a metal M, a metal oxide is formed and when the red litmus paper is dipped inside the solution of this metal oxide, it changes to blue colour.
Identify the metal “M”.
ChemistryGrade-10
Chemistry
Identify the alkalis from the following.
Identify the alkalis from the following.
ChemistryGrade-10
Chemistry
The oxyacids from the following is?
The oxyacids from the following is?
ChemistryGrade-10
Chemistry
Meena collected some household items and categorized them into acids and bases.
Which of these above items are placed in the incorrect category?
Meena collected some household items and categorized them into acids and bases.
Which of these above items are placed in the incorrect category?
ChemistryGrade-10
