Uses of Lead metal
Answer Text: 3. Uses of lead:1. It is used in several alloys e.g. solder and also added to bronze alloys to make them stronger;2. Lead ingots are used in the manufacture of accumulators;3. Being so malleable and so chemically inert lead sheeting was used for roofing (look at roofs of old churches and cathedral)-cost and pollution effects have however brought this to a stop;4. Making lead pipes for water supply; this is also discouraged particularly in soft water areas due to threat of lead poisoning;5. Making tetraethyl lead (IV) which for many years was used as a fuel additive to increase octane rating of fuels;6. Used in weights, clock pendulums, plumb bobs etc; due to its high density;7. It absorbs X-rays and hence lead aprons and lead glass are used to shield hospital radiographers;8. Used for safe disposal or storage of radioactive substances since no radioactive emission has been known to pass through thick lead blocks;
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