Acids, Bases, and Salts

Froggy Jumps

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Help Froggy identify the correct answer!

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Lea

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Froggy Jumps Acids, Bases, and SaltsVersión en línea Help Froggy identify the correct answer! por Lea 1 Which of the following is an example of strong acid? a NaOH b HCl c NaCl 2 Which substance is commonly used as a base? a Vinegar b Orange juice c Baking soda 3 What is usually formed when acid reacts with base? a salt and water b salt and carbon dioxide c acid and hydrogen 4 Which of the following is a salt? a HCl b NaCl c NaOH 5 A substance has a pH of 3. What can you conclude about it? a It is strongly basic. b It is acidic. c It is neutral. 6 According to the Arrhenius definition, a base is substance that: a produces H+ ions in water b produces OH- ions in water c produces both H+ and H- in water 7 Which statement correctly describes a conjugate acid-base pair? a They differ by one proton (H+). b They differ by one hydroxide ion (OH-). c They always have the same charge. 8 Blue litmus paper when dipped in acid will turn to: a Blue b Red c Yellow 9 If a red onion extract is added to a unknown solution and turned green in color. What does this indicates? a The solution is acidic. b The solution is basic. c The solution is salt. 10 Why can red onion be used as natural indicator? a It contain proteins that produces bubbles. b It contains pigment that responds to pH. c It produces oxygen when mixed with acidic and basic substances.

Froggy Jumps

Acids, Bases, and SaltsVersión en línea

Help Froggy identify the correct answer!

por Lea

Which of the following is an example of strong acid?

NaOH

HCl

NaCl

Which substance is commonly used as a base?

Vinegar

Orange juice

Baking soda

What is usually formed when acid reacts with base?

salt and water

salt and carbon dioxide

acid and hydrogen

Which of the following is a salt?

HCl

NaCl

NaOH

A substance has a pH of 3. What can you conclude about it?

It is strongly basic.

It is acidic.

It is neutral.

According to the Arrhenius definition, a base is substance that:

produces H+ ions in water

produces OH- ions in water

produces both H+ and H- in water

Which statement correctly describes a conjugate acid-base pair?

They differ by one proton (H+).

They differ by one hydroxide ion (OH-).

They always have the same charge.

Blue litmus paper when dipped in acid will turn to:

Blue

Red

Yellow

If a red onion extract is added to a unknown solution and turned green in color. What does this indicates?

The solution is acidic.

The solution is basic.

The solution is salt.

Why can red onion be used as natural indicator?

It contain proteins that produces bubbles.

It contains pigment that responds to pH.

It produces oxygen when mixed with acidic and basic substances.

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Acids, Bases, and Salts

Froggy Jumps

Sobre esta actividad

Creada por

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Acids, Bases, and SaltsVersión en línea

por Lea

Which of the following is an example of strong acid?

Which substance is commonly used as a base?

What is usually formed when acid reacts with base?

Which of the following is a salt?

A substance has a pH of 3. What can you conclude about it?

According to the Arrhenius definition, a base is substance that:

Which statement correctly describes a conjugate acid-base pair?

Blue litmus paper when dipped in acid will turn to:

If a red onion extract is added to a unknown solution and turned green in color. What does this indicates?

Why can red onion be used as natural indicator?

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