Give reasons.. a)Sodium hydroxide is not stored in aluminium vessels.. b)Iron is used in the manfacture of hydrogen c)Non-metals cannot displace hydrogen from acids.. d)Magnesium denser than water floats in water after initially sinking in it.. e)Aluminium though reactive is used in packing food and medicine..
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1A) when sodium hydrxide is stored in aluminium vessels it reacts and forms aluminium hydroxide
1b) when iron reacts with water and realease hydrogen because of it's high reactivity
1c) Non- metelas are less elctropositive in nature than hydrogen hence they cannot replace hydrogen from acids
1d) Mg reacts with water and forms its hydroxide lighter than water so floats later
1e)aluminium doesnot allow air to pass through it and is inert to food so it is used in food packing
1b) when iron reacts with water and realease hydrogen because of it's high reactivity
1c) Non- metelas are less elctropositive in nature than hydrogen hence they cannot replace hydrogen from acids
1d) Mg reacts with water and forms its hydroxide lighter than water so floats later
1e)aluminium doesnot allow air to pass through it and is inert to food so it is used in food packing
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