Physical And Chemical Changes Flashcards
1
Q
Affects one or more physical properties of a substance
A
Physical change
2
Q
Occurs when one or more substances change into a new substance
A
Chemical change
3
Q
Mass isn’t created to be destroyed, it can only be transformed into different substances
A
Law of conservation of mass
4
Q
Production of gas- bubbles
A
Mixing baking soda and vinegar
5
Q
Odor-smell
A
Something burning, rotten food
6
Q
Forms of precipitate- solid in liquid
A
Colorless potassium iodide and lead nitrate combine to form a solid in a liquid
7
Q
Change in color
A
Rust tarnish