Chemistry
Grade-10
Easy
Question
A China rose indicator, when added to a sample solution, its color changes to green. What will be the nature of this sample?
- Acidic
- Basic
- Neutral
- Strong acid
Hint:
Bases turn china rose indicator to green.
The correct answer is: Basic
- China rose is a light pink colored solution which is extracted from red flowers of china rose plant and diluted with water.
- Acids turn china rose indicator to magenta.
- Bases turn china rose indicator to green.
- A China rose indicator, when added to a sample solution, its color changes to green, the sample is basic in nature.
Related Questions to study
Chemistry
Red cabbage is a natural indicator. When it is added to the basic solution, the color changes from:
Red cabbage is a natural indicator. When it is added to the basic solution, the color changes from:
ChemistryGrade-10
Chemistry
What is the color of red cabbage as an indicator?
What is the color of red cabbage as an indicator?
ChemistryGrade-10
Chemistry
The following figure shows the color changes in the test tubes A, B and C after adding indicator China rose.
Identify the solution present in test tubes A, B and C, respectively?
The following figure shows the color changes in the test tubes A, B and C after adding indicator China rose.
Identify the solution present in test tubes A, B and C, respectively?
ChemistryGrade-10
Chemistry
Which of the pigment found in the red cabbage changes color when acid or base is added to it?
Which of the pigment found in the red cabbage changes color when acid or base is added to it?
ChemistryGrade-10
Chemistry
The indicators which remain yellow when added to the base and become red in color when added to acid is:
The indicators which remain yellow when added to the base and become red in color when added to acid is:
ChemistryGrade-10
Chemistry
The indicator which is prepared from man-made substances in the lab are called:
The indicator which is prepared from man-made substances in the lab are called:
ChemistryGrade-10
Chemistry
Based on the following picture, what will change the color of blue litmus paper to a red one?
Based on the following picture, what will change the color of blue litmus paper to a red one?
ChemistryGrade-10
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
