Physical And Chemical Properties

Question 1

Physical property?? (Not asked)

Answer 1

Substance can be measured or observed without changing the identity of the substance

Question 2

Which is an exaompel of a physical property?
A) flammability
B) boiling point
C) reactivity with acid
D) ability to rust

Answer 2

B) boiling point

Question 3

Chemical change?? (Not asked)

Answer 3

A change of materials into one or more new substances

Question 4

Which is a chemical change?
A)ice melting into water
B) sugar dissolving into water
C) burning wood into ash
D) breaking a piece of glass

Answer 4

C) burning wood into

Question 5

Which statement is true about chemical properties??
A) they can be observed without changing the substance
B) they include characteristics like mass and volume
C) they describe how a substance reacts with other substances
D) they remain Constant even during chemical changes

Answer 5

C) they describe how a substance reacts with other substances

Question 6

Which observation indicates that a chemical change has occurred??
A) the substance changes from solid to liquid
B) bubbles are produced without heating
C) the substance is crushed into fine powder
D) the material is stretched into thin wire

Answer 6

B) bubbles are produced without heating