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1. Name the gas evolved when magnesium reacts with dilute hydrochloric acid.
ChlorineOxygenHydrogenNitrogen
alloysmetalloidsnoble metalsNone of the above
GoldSilverMagnesiumCalcium
soft and brittlehard and solidliquidgenerally liquid
GoldZincCopperAluminium
IronGoldCopperPotassium
CopperSilverAluminiumGold
IronSodiumMercuryCalcium
CalciumPotassiumSilverGold
BromineIodineIronPhosphorus
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