physical and chemical changes

what are phisical changes?

• They are reversible changes.

• they are not reversible changes

• non of these

• all of these

whate is the example of chemical change?

• melting an ice cube

• paper into ash

• crushing a can

• shredding paper

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What is the change shown in the image?

• Chemical change

• Physical change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Click the INCORRECT statements:

• A chemical change is a reversible change

• A physical change is a reversible change

• Cooking food is a physical change

• Crushing a paper is a physical change

State TRUE or FALSE: physical change produces new substances

• True

• False

Tags

NGSS.MS-PS1-4

Is the breaking of a glass a physical change?

• YES

• NO

What change is meant by rotting of a fruit?

• CHEMICAL

• PHYSICAL

Tags

NGSS.MS-PS1-2

A change is a chemical change when it is accompanied by:

• Energy change

• Formation of new substances

• Change in chemical properties

• ALL OF THE ABOVE

Tags

NGSS.MS-PS1-2

During a physical change, a substance undergoes a change in its:

• physical properties

• chemical properties

• both (a) and (b)

• none of these

Tags

NGSS.MS-PS1-4

Rusting of iron is a :

• PHYSICAL CHANGE

• CHEMICAL CHANGE

• NONE OF THE ABOVE

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5