5-Physicale And Chemical Change Flashcards
1
Q
What is sublimation
A
Changing of Solid to gas directly
2
Q
Change of gas to solid directly
A
Deposition
3
Q
Formula of rust
A
Iron oxide Fe²O³
I
ron (Fe) +Oxygen (O²)+water (H²O)—–→
Rust (Fe²O³)
4
Q
Which iron rusts slowly
A
Pure iron
5
Q
increase of temperature rate of rusting _____
A
Rate of rusting increases
6
Q
Galvanization
A
Process of coating feel or iron with zinc
7
Q
Stainless steel is made by mixing
A
Iron with carbon and metal like chromium nickel magnese
8
Q
baking soda chemical name
A
sodium bicarbonate NaHCo3
9
Q
A
