Question 1

What does the Litmus indicator change to in basic solutions?

Accepted Answer

Blue

Answer

Yellow

Answer

Violet

Answer

Red

Question 2

Which indicator is colorless in acidic solutions, pink in basic solutions, and pale pink in neutral solutions?

Accepted Answer

Phenoxalene

Answer

Methyl Orange

Answer

Litmus

Answer

Universal Indicator

Question 3

Which indicator turns red in acidic solutions and blue in basic solutions?

Accepted Answer

Litmus

Answer

Phenoxalene

Answer

Methyl Orange

Answer

Universal Indicator

Question 4

What type of substances are indicators in titrations?

Accepted Answer

Chemical organic substances

Answer

Artificial dyes

Answer

Biological materials

Answer

Inorganic compounds

Question 5

What is the purpose of a conical flask in a titration?

Accepted Answer

To provide a container where the titration reaction takes place

Answer

To store the indicator before adding it to the flask

Answer

To measure the volume of the unknown solution

Answer

To dispense the standard solution for titration

Question 6

What is the mnemonic for remembering indicator colors in basic solutions?

Accepted Answer

PBVY method

Answer

CR Cube method

Answer

POV method

Answer

RGB method

Question 7

What is the purpose of a pipette in a titration?

Accepted Answer

To measure a specific volume of the known solution

Answer

To clean the conical flask before the reaction

Answer

To mix the solutions in the burette

Answer

To store the indicator before adding it to the flask

Question 8

What is the purpose of an indicator in a titration?

Accepted Answer

To change color at the endpoint of the reaction

Answer

To clean the equipment before the titration

Answer

To heat the solution in the conical flask

Answer

To measure the volume of the unknown solution

Question 9

What is the function of a burette in a titration?

Accepted Answer

To measure a specific volume of the unknown solution

Answer

To heat the solutions during the reaction

Answer

To store the indicator before adding it to the flask

Answer

To mix the solutions in the conical flask

Question 10

What is the endpoint in a titration?

Accepted Answer

The point where neutralization occurs, indicated by a change in color of the indicator

Answer

The point where the solutions reach maximum volume in the burette

Answer

The point where the solutions start to react

Answer

The initial point where the solutions are mixed

Question 11

Why is it important to repeat the titration process multiple times?

Accepted Answer

To obtain accurate and precise measurements

Answer

To speed up the reaction

Answer

To change the indicator color

Answer

To add more unknown solution

Question 12

What is the color change of Litmus in basic solutions?

Accepted Answer

Blue

Answer

Purple

Answer

Red

Answer

Green

Question 13

How can the concentration of the unknown solution be determined in a titration experiment?

Accepted Answer

By using the formula m₁v₁ / n₁ = m₂v₂ / n₂

Answer

By changing the volume of the known solution

Answer

By heating the solutions together

Answer

By adding more indicator to the solution

Question 14

What does the abbreviation 'P PET' stand for in the context of titration?

Accepted Answer

Pipette

Answer

Conical Flask

Answer

Indicator

Answer

Burette

Question 15

What mnemonic can be used to remember the colors of indicators in neutral solutions?

Accepted Answer

POV method

Answer

PBVY method

Answer

ACID technique

Answer

CR Cube method

Question 16

What is the endpoint in a titration process?

Accepted Answer

The point at which neutralization occurs, indicated by a change in color of the indicator

Answer

The point where the solutions are mixed

Answer

The volume of the unknown solution added

Answer

The beginning of the titration reaction

Question 17

What is the purpose of an indicator in a titration process?

Accepted Answer

To change color at the endpoint of the reaction

Answer

To speed up the reaction

Answer

To heat up the solutions

Answer

To measure the volume of the solutions

Question 18

What is the function of a burette in a titration experiment?

Accepted Answer

To measure a specific volume of the unknown solution

Answer

To mix the solutions together

Answer

To heat up the solutions

Answer

To change the pH of the solutions

Question 19

What is the purpose of a conical flask in a titration reaction?

Accepted Answer

To serve as the container where the titration reaction takes place

Answer

To measure the concentration of the unknown solution

Answer

To wash the equipment

Answer

To measure the volume of the known solution

Question 20

Which indicator changes color to pink in basic solutions and colorless in acidic solutions?

Accepted Answer

Phenoxalene

Answer

Litmus

Answer

Universal Indicator

Answer

Methyl Orange

Question 21

Which piece of equipment is used to take a specific volume of the unknown solution in titration?

Accepted Answer

Burette

Answer

Conical Flask

Answer

Pipette

Answer

Indicators

Question 22

Which indicator turns red in acidic solutions, yellow in basic solutions, and orange in neutral solutions?

Accepted Answer

Methyl Orange

Answer

Litmus

Answer

Phenoxalene

Answer

Universal Indicator

Question 23

What is the endpoint in titration?

Accepted Answer

The point at which neutralization takes place, indicated by a change in color of the indicator.

Answer

The point where the solution becomes too acidic

Answer

The initial point where the reaction starts

Answer

The volume of the unknown solution used in titration

Question 24

What is the purpose of an indicator in titration?

Accepted Answer

To change color in response to changes in pH and indicate the endpoint of the titration.

Answer

To determine the concentration of the standard solution

Answer

To measure the volume of the unknown solution

Answer

To neutralize the acidity of the solutions

Question 25

In titration, which mnemonic can be used to remember the colors of indicators in acidic, basic, and neutral solutions?

Accepted Answer

CR Cube method (C: colorless, R: 3 reds)

Answer

PBVY method (P: pink, B: blue, V: violet, Y: yellow)

Answer

POV method (P: pale pink, O: orange, V: violet, G: green)

Answer

BCR method (B: blue, C: colorless, R: red)

Question 26

What is the formula commonly used to calculate the concentration of an unknown solution in titration?

Accepted Answer

m₁v₁ / n₁ = m₂v₂ / n₂

Answer

m₁v₁ * n₁ = m₂v₂ * n₂

Answer

m₁n₁ / v₁ = m₂n₂ / v₂

Answer

m₁v₂ / n₂ = m₂v₁ / n₁

Question 27

What is the purpose of a conical flask in titration?

Accepted Answer

A container where the titration reaction takes place

Answer

A measuring instrument to take a specific volume of the unknown solution

Answer

A tool used to dispense an accurate volume of liquid

Answer

A substance that changes color when added to acidic or alkaline solutions

Question 28

What is the role of a pipette in the titration process?

Accepted Answer

A measuring instrument used to take a specific volume of the known solution

Answer

A tool used to stir the solutions in the conical flask

Answer

A measuring instrument to take a specific volume of the unknown solution

Answer

A container where the titration reaction takes place

Question 29

Which indicator is red in acidic solutions, blue in basic solutions, and violet in neutral solutions?

Accepted Answer

Litmus

Answer

Phenoxalene

Answer

Universal Indicator

Answer

Methyl Orange

Question 30

What is the purpose of using Universal Indicator in titration?

Accepted Answer

To show a range of colors corresponding to different pH levels in the solution

Answer

To neutralize the solution

Answer

To indicate the endpoint of the titration reaction

Answer

To change color in response to changes in pH

Question 31

What is the purpose of an indicator in a titration process?

Accepted Answer

To signal the endpoint of the reaction by changing color

Answer

To clean the equipment used in titration

Answer

To measure the volume of the unknown solution

Answer

To determine the concentration of the known solution

Question 32

What is the role of a burette in the titration process?

Accepted Answer

To measure a specific volume of the unknown solution

Answer

To add indicators to the solution

Answer

To clean the equipment after titration

Answer

To mix the solutions in the conical flask

Question 33

What is the purpose of a conical flask in the titration process?

Accepted Answer

To serve as the container where the titration reaction takes place

Answer

To dispense the unknown solution from the burette

Answer

To measure the concentration of the solution

Answer

To store the indicators used in the reaction

Question 34

What is an indicator used for in the titration process?

Accepted Answer

To change color at the endpoint of the reaction

Answer

To determine the concentration of the indicator

Answer

To increase the speed of the reaction

Answer

To measure the volume of the known solution

Question 35

What is the purpose of a pipette in the titration process?

Accepted Answer

To measure a specific volume of the known solution

Answer

To store the standard solution

Answer

To determine the color change of the indicator

Answer

To clean the conical flask after the reaction

Question 36

When does the endpoint of a titration reaction occur?

Accepted Answer

When the indicator changes color

Answer

After the titration process is completed

Answer

At the beginning of the titration process

Answer

When the solutions are mixed in the conical flask

Question 37

What does the term 'Endpoint' refer to in the context of titration?

Accepted Answer

The point at which neutralization takes place, indicated by a change in color of the indicator

Answer

The beginning of the titration process

Answer

The point where the solutions are mixed in the conical flask

Answer

The completion of the titration process

Question 38

What is the purpose of an indicator in a titration process?

Accepted Answer

To signal the endpoint of the reaction by changing color

Answer

To clean the equipment used in titration

Answer

To determine the concentration of the known solution

Answer

To measure the volume of the unknown solution

Question 39

What is the purpose of using a burette in the titration process?

Accepted Answer

To accurately measure and dispense a specific volume of the unknown solution

Answer

To store the standard solution

Answer

To indicate the endpoint of the reaction

Answer

To clean the conical flask after the reaction

Question 40

What is the purpose of adding an indicator in a titration process?

Accepted Answer

To visually signal the endpoint of the reaction by changing color

Answer

To measure the temperature of the solution

Answer

To increase the rate of the chemical reaction

Answer

To determine the density of the solution

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