Chemistry Main source of lead pollution is from Sewage Insecticides Tobacco Leaded gasoline Sewage Insecticides Tobacco Leaded gasoline ANSWER DOWNLOAD EXAMIANS APP
Chemistry What material is used to make electric heater coil ? Nichrome Copper Silver Iron Nichrome Copper Silver Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the covalency of nitrogen in ammonia molecule 3 4 2 5 3 4 2 5 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant element in the earth’s atmosphere is Nitrogen Oxygen Krypton Argon Nitrogen Oxygen Krypton Argon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Type metal used in printing press is an alloy of Lead and zinc Lead and copper Lead and antimony Lead and bismuth Lead and zinc Lead and copper Lead and antimony Lead and bismuth ANSWER DOWNLOAD EXAMIANS APP
Chemistry The important metal used with iron to produce stainless steel is Tin Carbon Chromium Aluminium Tin Carbon Chromium Aluminium ANSWER DOWNLOAD EXAMIANS APP
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