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level: Acids and Bases

Questions and Answers List

Question	Answer
Is the pH of an acid more or less than 7?	less
Is the pH of acid more than 7?	no
Is the pH of an acid less than 7?	yes
Is the pH of a base more or less than 7?	more
Is the pH of a base more than 7?	yes
Is the pH of a base less than 7?	no
Acid A has a pH of 3 and acid B has a pH of 6. Which acid is stronger?	A
Acid A has a pH of 5 and acid B has a pH of 1. Which is the weaker acid?	A
Base A has a pH of 11 and base B has a pH of 10. Which base is stronger?	A
Base A has a pH of 8 and base B has a pH of 14. Which base is weaker?	A
Choose the definition for a catalyst, in a chemical reaction.	A substance that speeds up the rate of a chemical reaction
What is the product from the reaction of zinc and an acid?	a salt and hydrogen
What is the product from the reaction of magnesium and an acid?	a salt and hydrogen
What is the product from the reaction of copper and an acid?	a salt and hydrogen
What is the product from the reaction of sodium hydroxide and an acid?	a salt and water
What is the product from the reaction of copper oxide and an acid?	a salt and water
What is the product from the reaction of calcium hydroxide and an acid?	a salt and water