Chemical Indicators and Salts Quiz

What does pH stand for in scientific notation?

• Physical Hydrogen
• Potential of Hydrogen
• Proton Holding
• Power of Hydrogen

Which natural substance changes color based on soil pH levels?

• Red Cabbage
• Turmeric
• Hydrangea Flowers
• Grape Skin

What happens to blue litmus paper when placed in an acidic solution?

• Stays blue
• Turns green
• Turns red
• Turns purple

At what pH level is a solution considered neutral?

• 5
• 6
• 7
• 8

Which chemical characteristic do salts always possess?

• Always liquid
• Always gaseous
• Contains a cation and anion
• Conducts electricity in solid state

What determines the name of a salt?

• Its color
• Its temperature
• Its component ions
• Its electrical conductivity

In what form do salts typically exist at room temperature?

• Liquid
• Gas
• Plasma
• Solid

What does a universal indicator provide that simple litmus paper does not?

• Color change
• pH spectrum
• Chemical reaction
• Ion concentration

Which sea has the highest salt concentration in the world?

• Red Sea
• Mediterranean Sea
• Dead Sea
• Pacific Ocean

Who developed the pH scale in 1909?

• Albert Einstein
• Marie Curie
• Søren Peder Lauritz Sørensen
• Niels Bohr