ScienceTest #2

Flammability is a(n) -------- property.

Blank 1: chemical

When a log burns in a fire, _____. Multiple choice question. A) a physical change has occurred B) mass is gained C) mass is lost D) new substances are formed

D) new substances are formed

The ability to react with oxygen is a physical property. True false question. True False

False

Breaking a chemical bond _____. Multiple choice question. A) absorbs energy from the surroundings B) creates energy that did not previously exist C) releases energy into the surroundings D) uses up energy that then no longer exists

A) absorbs energy from the surroundings

____ is a physical property. Multiple choice question. A) Combustibility B) Density C) Flammability D) Oxidation

B) Density

An example of a chemical property is ____. Multiple choice question. A) ability to be attracted by a magnet B) ability to react with acid C) boiling point D) solubility

B) ability to react with acid

The following are examples of physical properties except ____. Multiple choice question. A) ability to dissolve in water B) ability to react with oxygen C) density D) shape

B) ability to react with oxygen

When a peeled banana turns black, it is a ____. Multiple choice question. A) change of state B) chemical change C) physical change D) thermal change

B) chemical change

A characteristic of matter that allows it to change to something new is a ____. Multiple choice question. A) chemical change B) chemical property C) physical change D) physical property

B) chemical property

Titanium reacts less with oxygen than most metals do. This is a ____. Multiple choice question. A) chemical change B) chemical property C) physical change D) physical property

B) chemical property

Which of the following is NOT a physical property of matter? Multiple choice question. A) density B) flammability C) melting point D) solubility

B) flammability

The melting point of silver is a ____. Multiple choice question. A) chemical change B) chemical property C) physical property D) physical change

C) physical property

The ability of a pond to freeze over in winter is a _____. Multiple choice question. A) chemical change B) chemical property C) physical change D) physical property

D) physical property

An exothermic reaction _____. Multiple choice question. A) absorbs thermal energy B) needs energy to be added constantly in order to continue C) needs more energy to break the chemical bonds than is released when products form D) releases thermal energy

D) releases thermal energy