Quizizz 19

Which of the following is a property of acids?

• They taste bitter.

• They turn blue litmus paper red.

• They feel slippery to the touch.

• They have a pH greater than 7.

What is the law of conservation of mass?

• Mass can be created and destroyed in a chemical reaction.

• Mass is always lost in a chemical reaction.

• Mass is neither created nor destroyed in a chemical reaction.

• Mass is always gained in a chemical reaction.

Tags

NGSS.MS-PS1-5

Which of the following is a property of bases?

• They taste sour.

• They turn red litmus paper blue.

• They have a pH less than 7.

• They react with metals to produce hydrogen gas.

Tags

NGSS.MS-PS1-1

Which of the following statements is true about the law of conservation of mass in a closed system?

• The total mass of reactants is less than the total mass of products.

• The total mass of reactants is greater than the total mass of products.

• The total mass of reactants is equal to the total mass of products.

• The total mass of reactants can be either greater or less than the total mass of products.

Tags

NGSS.MS-PS1-5

What is the pH range of acids?

• 0 to 7

• 7 to 14

• 0 to 14

• 7

Tags

NGSS.MS-PS1-5

Which of the following is a common property of both acids and bases?

• They both taste sour.

• They both conduct electricity.

• They both turn litmus paper red.

• They both have a pH of 7.

If 10 grams of hydrogen react with 80 grams of oxygen to form water, what is the total mass of water produced according to the law of conservation of mass?

• 70 grams

• 80 grams

• 90 grams

• 100 grams

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

Which of the following is a characteristic of a neutral solution?

• It has a pH of 0.

• It has a pH of 7.

• It has a pH of 14.

• It turns litmus paper red.