Esther-General Chemistry 1 Exam

What property can be observed without changing the identity and composition of the substance?

• Chemical

• extensive

• intensive

• physical

It is the ability of an object to be pounded in thin sheets.

• Conductivity

• Ductility

• Malleability

• solubility

This type of property relates to the amount of substance present.

• Chemical property

• intensive property

• Extensive property

• physical property

This type of property does not depend on the amount of substance present.

• Chemical property

• intensive property

• Extensive property

• physical property

These substances are also called solutions.

• Elements

• Compounds

• heterogeneous mixture

• homogeneous mixture

What is a separation technique used to separate components of a homogeneous mixture based on their different boiling points?

• Crystallization

• chromatography

• distillation

• sedimentation

What is referred to as how close the measurement is to the true or accepted value?

• Accuracy

• Precision

• Scientific Notation

• Significant figure

It is the lowest whole-numbered ratio of the elements in a compound.

• Atomic mass

• Empirical formula

• formula mass

• molecular formula

Which is the correct empirical formula for eplerenone, C24H30O6?

• C12H15O3

• C8H10O2

• C4H5O

• C24H30O6

The empirical formula for monosaccharides is CH2O, what is the molecular formula of sucrose having a molar mass of 330 g/mol?

• C6H12O

• C6H12O6

• C11H22O11

• C11H22O2