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What are the examples of base substances?
Examples of base substances include sodium hydroxide (NaOH), potassium hydroxide (KOH), and calcium hydroxide (Ca(OH)2). These substances have a high pH and can accept protons when they react with acids.
Why does sodium hydroxide turn universal indicator blue?
When sodium hydroxide is added to universal indicator solution, it causes the indicator to turn blue because sodium hydroxide is a strong base. The blue color represents a high pH level, indicating that the solution has become more alkaline due to the presence of hydroxide ions released by the sodium hydroxide.
What colour is sodium hydroxide in universal indicator?
Sodium hydroxide turns Universal Indicator solution dark purple, indicating it is a strong base with a high pH level.
Is sodium hydroxide highly acidic or highly basic?
Sodium hydroxide is highly basic, as it is a strong alkali. It can dissociate in water to release hydroxide ions, resulting in a high pH level.
What is a strong alkaline solution?
A strong alkaline solution is a solution with a high pH level, typically above 10. It can be corrosive and should be handled with care as it can cause skin irritation and burns. Examples include sodium hydroxide (lye) and potassium hydroxide.
What base has a very high pH level?
Sodium Hydroxide NaOH
What are the examples of base substances?
Examples of base substances include sodium hydroxide (NaOH), potassium hydroxide (KOH), and calcium hydroxide (Ca(OH)2). These substances have a high pH and can accept protons when they react with acids.
Why does sodium hydroxide turn universal indicator blue?
When sodium hydroxide is added to universal indicator solution, it causes the indicator to turn blue because sodium hydroxide is a strong base. The blue color represents a high pH level, indicating that the solution has become more alkaline due to the presence of hydroxide ions released by the sodium hydroxide.
What colour is sodium hydroxide in universal indicator?
Sodium hydroxide turns Universal Indicator solution dark purple, indicating it is a strong base with a high pH level.
Is sodium hydroxide highly acidic or highly basic?
Sodium hydroxide is highly basic, as it is a strong alkali. It can dissociate in water to release hydroxide ions, resulting in a high pH level.
What is a strong alkaline solution?
A strong alkaline solution is a solution with a high pH level, typically above 10. It can be corrosive and should be handled with care as it can cause skin irritation and burns. Examples include sodium hydroxide (lye) and potassium hydroxide.
What are concentrated alkali?
Concentrated alkalis are substances with a high pH level that can neutralize acids and are commonly used in cleaning agents and industrial processes. These substances can be corrosive and can cause burns if they come into contact with skin. Examples include sodium hydroxide (lye) and potassium hydroxide.
What are three common alkali's?
Three common alkalis are sodium hydroxide (NaOH), potassium hydroxide (KOH), and calcium hydroxide (Ca(OH)2). These substances are bases that readily neutralize acids and have high pH levels.
Does sodium hydroxide effectively kill bacteria?
Yes, sodium hydroxide can effectively kill bacteria due to its high pH level, which can disrupt the cell membranes of bacteria and ultimately lead to their death.
What are 2 strong bases?
Two strong bases are sodium hydroxide (NaOH) and potassium hydroxide (KOH). These bases dissociate completely in water to produce hydroxide ions, contributing to high pH levels in solutions.
What is the pH of sodium hidroxide?
Sodium hydroxide is alkaline and so its pH must be above 7. It is not a strong base so its pH may be 9 approximately.
What does sodium hydroxide have a high solubility in water?
Sodium hydroxide has a high solubility in water because it is a strong base that readily dissociates into sodium ions (Na+) and hydroxide ions (OH-) in water. This dissociation allows sodium hydroxide to form a homogenous solution with water.
