State whether the following statement are true (T) or false (F).
12. Lustrous materials can lose their shine when exposed to air or moisture
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State whether the following statement are true (T) or false (F).
12. Lustrous materials can lose their shine when exposed to air or moisture
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Answer:
True
Explanation:
because if we capt it in moisture tey can loos there shine.
Answer:
True
Explanation:
metal when exposed to air and moisture lose their lusture due to formation of compound for example :when copper is exposed to such environmental condition ,it slowly acquires a dull green coating