Chemistry
Grade-10
Easy
Question
Identify the synthetic indicator from the following.
- China rose
- Litmus paper
- Beetroot juice
- Bromothymol blue
Hint:
Litmus is man made indicator.
The correct answer is: Bromothymol blue
An acid-base indicator is usually a dye or any substance that helps to differentiate between the two. Natural indicators are naturally occurring. China rose, beetroot juice, bromothymol blue.
Artificial Indicators, also known as Synthetic Indicators, are indicators that are made from artificial chemicals to detect what is basic and what is acidic. A few examples of artificial indicators include Litmus, Methyl Orange, and so on.
Related Questions to study
Chemistry
The pH of all acids will be between:
The pH of all acids will be between:
ChemistryGrade-10
Chemistry
The pH scale measures
The pH scale measures
ChemistryGrade-10
Chemistry
Which of the following is used as olfactory indicators?
Which of the following is used as olfactory indicators?
ChemistryGrade-10
Chemistry
Battery acid is
Battery acid is
ChemistryGrade-10
Chemistry
Complete the following analogy: Turmeric : Bright yellow :: ______: Colorless
Complete the following analogy: Turmeric : Bright yellow :: ______: Colorless
ChemistryGrade-10
Chemistry
Which of the following has the highest pH value?
Which of the following has the highest pH value?
ChemistryGrade-10
Chemistry
Rahul experimented, as shown in the following figure. He took some solutions and added phenolphthalein indicators to them. Identify the X, Y and Z in this experiment.
Rahul experimented, as shown in the following figure. He took some solutions and added phenolphthalein indicators to them. Identify the X, Y and Z in this experiment.
ChemistryGrade-10
Chemistry
Milk of magnesia turns
Milk of magnesia turns
ChemistryGrade-10
Chemistry
What is an indicator?
What is an indicator?
ChemistryGrade-10
Chemistry
The substance which does not show any color change when the indicator is added is called:
The substance which does not show any color change when the indicator is added is called:
ChemistryGrade-10
Chemistry
What color does acid turn litmus paper to ?
What color does acid turn litmus paper to ?
ChemistryGrade-10
Chemistry
In the presence of acid, the olfactory indicator:
In the presence of acid, the olfactory indicator:
ChemistryGrade-10
Chemistry
An element (B) reacts with oxygen to form (C), turning red litmus paper into blue. Identify the (B) and (C) from the following?
An element (B) reacts with oxygen to form (C), turning red litmus paper into blue. Identify the (B) and (C) from the following?
ChemistryGrade-10
Chemistry
A reaction between an acid and a base will always produce.
A reaction between an acid and a base will always produce.
ChemistryGrade-10
Chemistry
A teacher has arranged the following test tube set, as shown in the following figure. Based on this figure, identify the incorrect statements from the following.
I. China rose indicator turns magenta in test-tube D.
II. Turmeric paper turns red in test tubes A and C.
III. Phenolphthalein remains colorless in A and B.
IV. Methyl orange turns yellow in A and C.
A teacher has arranged the following test tube set, as shown in the following figure. Based on this figure, identify the incorrect statements from the following.
I. China rose indicator turns magenta in test-tube D.
II. Turmeric paper turns red in test tubes A and C.
III. Phenolphthalein remains colorless in A and B.
IV. Methyl orange turns yellow in A and C.
ChemistryGrade-10
