PS Unit 5 Socrative Review Questions Part 2

Lemons would be classified as a -

• Strong base

• Weak base

• Strong acid

• Weak acid

What base has a pH of 10?

• blood

• soap

• baking soda

• drain cleaner

Which of the following is a compound?

• Cu

• KF

• Si

• Fe

Tags

NGSS.MS-PS1-1

Which diagram represents a mixture of elements A and B?

• X only

• Z only

• X and Y

• X and Z

Tags

NGSS.MS-PS1-1

How many different elements are involved in the chemical reaction shown?

• 4

• 2

• 5

• 3

Tags

NGSS.MS-PS1-1

A chemical reaction is -

• A process in which starting substances change into different substances.

• A form of matter with a unique composition.

• An interaction between two substances in which one breaks apart and intermingles with the other.

• The interaction between two substances in which one breaks apart and intermingles with the other.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which of the following does not indicate that a chemical reaction has occurred?

• bubbles

• A precipitate forms

• One substance melts

• A new substance

Tags

NGSS.MS-PS1-2

If two substances react and the temperature of the product increases, the chemical reaction is -

• exothermic

• endothermic

Tags

NGSS.MS-PS3-4

When an acid and a base are mixed, what is the reaction called?

• Neutralization

• Hydrolyzed

• Hydro ionization

• A salt and a water solution

Tags

NGSS.MS-PS1-5

Which solution reacts with LiOH to produce a salt and water?

• KCl

• CaO

• NaOH

• H₂SO₄

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5