Chemistry Final Review 1

All matter on Earth exists in a physical form. These are called:

• states of mass

• chemical properties

• states of matter

• physical properties

Tags

NGSS.MS-PS1-4

Which law states that matter is neither created nor destroyed in a chemical reaction?

• Law of Multiple Proportions

• Law of Composition of Mass

• Law of Definite Proportions

• Law of Conservation of Mass

Tags

NGSS.MS-PS1-5

Which of the following is NOT a physical separation technique?

• evaporation

• distillation

• dehydration

• magnetism

When matter has a definite shape, but no definite volume, it is a:

• liquid

• solid

• gas

• plasma

There are 26.4 g of carbon, 48.4 g of hydrogen, and 24.2 g of oxygen in a sample of sucrose. What is the percent by mass of oxygen in sucrose?

• 24.4%

• 2.44%

• 24.2%

• 99%

Tags

NGSS.MS-PS1-1

______ is a measure that reflects the amount of matter in a given sample, whereas _________ is the measure of gravitational pull on an object.

• volume; mass

• weight; mass

• mass; weight

• density; volume

Tags

NGSS.MS-PS2-4

Which of the following is NOT an SI base unit of measurement?

• Inch

• Meter

• Kelvin

• Gram

What is 0.0009107 in scientific notation?

• 91.07 x 10*-4

• 9.107 x 10*-3

• 9.107 x 10*4

• 9.107 x 10*-4

Which of the following is an extensive physical property?

• mass

• temperature

• hardness

• melting point

Tags

NGSS.HS-PS1-7

Once a hypothesis has been proven through tests and observations, scientists then develop a

• prediction

• theory

• law

• model

Tags

NGSS.MS-LS1-5