Use the re activity series :A.calcium is not used for household articles. B.copper is used for making water pipes and not lead. why?C.powdered magnesium is used in fireworks.D.gold is an excellent material for filling the cavity in teeth.
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calcium can be broken down easily so it is not used in the household articles.
As lead pipes are dis-solvable in water so they will not be reliable and can use leakage
Magnesium burn to produce the dazzling white light so it is used in firework.
Gold is highly mealiable . so it can be used to fill cavity
As lead pipes are dis-solvable in water so they will not be reliable and can use leakage
Magnesium burn to produce the dazzling white light so it is used in firework.
Gold is highly mealiable . so it can be used to fill cavity
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23
Explanation:
the re activity series :A.calcium is not used for household articles. B.copper is used for making water pipes and not lead. why?C.powdered magnesium is used in fireworks.D.gold is an excellent material for filling the cavity in teeth.
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