Chemistry Test 1 Review

A student performs an experiment to determine the density of a sugar solution. She obtains the following results: 1.83 g/mL, 1.81 g/mL, 1.82 g/mL, 1.83 g/mL. If the actual value for the density of the sugar solution is 1.70 g/mL, which statement below best describes her results?

• Accurate, but not precise

• Precise, but not accurate

• Neither precise nor accurate

• Both precise and accurate

• Is not possible to determine with information

What sort of substance is soda?

• Element

• Compound

• Homogenous

• Heterogenous

Which of the following is a pure substance?

• Paint

• Silver

• Plastic

• Soda

How many sig figs: 0.09500

• 2

• 4

• 5

• 6

What is the Z value of Nitrogen

• 7

• 14

• 5

• 15

Tags

NGSS.HS-PS1-1

Predict the charge that an ion formed from fluorine would have.

• +1

• +2

• -2

• -1

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is the name of MgCl2

• Magnesium Dichloride

• Chloride (1) Magnesium

• Magnesium Chloride

• Chloride Magnesium

What kind of reaction is this example? C3H8(g) + 5O2(g) → 3CO2(g) + 4H2O(l)

• Precipitation

• Neutralization

• Combustion

• Decomposition

How many meters are in 1 kilometer?

• 1x10^-4

• 1x10^-3

• 1x10⁴

• 1x10³

Name this compound: HCl

• Hydrochloric Acid

• Hydrogen Chloride

• Hydrogen Monochloride

• Chloric Acid

• Monohydrogen Monochloride