Physical And Chemical Changes Flashcards
1
Q
a change that affects one ur more physical property of a substance
A
Physical change
2
Q
occurs when one or more substunces change into entirely new substances with different properties
A
Chemical change
3
Q
states that in ardinarg chemical and physical changes, mass is notcreated or destroyed but is only transformed into different substances
A
Law of conservation of mass
4
Q
Production of a gas (bubbles)
A
Mixing baking soda and vinegar
5
Q
Oder (smell)
A
Spoiled milk
6
Q
Forms precipitate (solid in a liquid)
A
Mixing colorless potassium iodine and lead nitrate
7
Q
Change of color
A
Rust or tarnish
8
Q
Change in energy (temperature)
A
Boiling
