which of the following shows chemical change?
A.boiled water
B.rusty roof
C.sliced bread
D.wet cloth
(PLS WHT IS THE ANSWER)
A.boiled water
B.rusty roof
C.sliced bread
D.wet cloth
(PLS WHT IS THE ANSWER)
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Answer:
Letter B.
Explanation:
Roof rust and corrosion occur when metal roofing comes into contact with moisture in the air causing a CHEMICAL REACTION. The longer the metal is exposed to moisture, the faster corrosion and rust will spread.
B.rusty roof
C.sliced bread
D.wet cloth
Answer is A.boiled water
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