35 Questions
Which of the following substances would conduct electricity due to the presence of ions?
NaOH
What is the chemical formula for sulfuric acid?
H2SO4
Which of the following substances is corrosive and can cause damage upon contact?
H2SO4
In a neutralization reaction, what type of ions are present in the products?
Hydroxide ions
Which substance has the potential to be most acidic based on the pH scale?
$H_2SO_4$
What is the product when hydrochloric acid (HCl) reacts with sodium hydroxide (NaOH) in a neutralization reaction?
$H_2O$ and $NaCl$
What happens when acids lose one positive hydrogen ion in water?
Hydrogen ions combine with water to form hydronium ions
Which of the following is a characteristic of bases?
Conduct electricity as they contain ions
What is the result when sodium hydroxide (NaOH) dissociates in water?
It increases the concentration of OH- ions in solution
What is the role of NH3 when it interacts with water?
Forms hydroxide ions
What is the relationship between the concentration of H+ ions and the pH in acids?
The higher the concentration of H+ ions, the lower the pH, making the acid weaker
What happens when acids react with metal?
They release hydrogen gas and form salt
How is titration used to determine the concentration of an acid or a base?
By adding a known concentration of acid to an unknown concentration of base
What is the role of a digital pH probe in measuring pH?
Measures the strength of acid or base by giving a precise number
What are universal pH indicators based on?
Color changes corresponding to different pH levels.
How do litmus papers help identify acids and bases?
By identifying if something is an acid or a base by changing color.
What is the result when chlorine dioxide (ClO) reacts with water?
It increases the concentration of OH- ions in solution.
What characteristic is shared by all acids?
Conduct electricity
Which acid is commonly found in lemon juice?
Ethonic acid (CH3COOH)
What is the potential of hydrogen (pH) scale a way to measure?
Concentration of hydrogen ions
Which substance can be described as corrosive and dangerous due to its acidic nature?
Sulfuric acid (H2SO4)
What type of reaction involves acids and metals?
Displacement reaction
What method can be used to accurately determine the completion of a neutralization reaction?
Acid-base titration
In the dissociation of bases in water, which of the following is a plausible result?
Formation of OH- ions only
In the reaction of NH3 with water, which of the following is a potential result?
Formation of NH4+ and OH- ions
Which of the following is a characteristic of bases based on the given information?
Forms OH- ions in water
What is the potential result when chlorine dioxide (ClO) reacts with water?
Formation of ClOH and OH- ions
Which option correctly describes the relationship between the concentration of H+ ions and pH for acids?
Higher H+ concentration leads to lower pH and weaker acidity
When acids and bases react in a neutralization reaction, what type of ions are present in the products?
H+ and OH- ions
What happens when acids react with metal?
Formation of H2 gas
How does titration help determine the concentration of an acid or a base?
By reaching the point of neutralization (pH=7)
Which statement accurately describes one way to measure the pH?
Using digital pH probe to get a precise numerical value
How do litmus papers help identify acids and bases based on their color change?
They turn red in acidic solutions and blue in basic solutions
What are universal pH indicators based on?
The concentration of H+ ions in the solution
How is the concentration of an unknown acid or base determined using titration?
By using the volumes and known concentration at neutralization point
Test your understanding of acids and bases by classifying them based on chemical structure, using common acids and bases in reactions, determining acidic or basic properties of substances, measuring pH, identifying reactions involving acids and metals or carbonates, and explaining neutralization reactions with real-life examples.
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