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1)Magnesium reacts with hydrochloric acid according to the equation: Mg(s) + 2 HCl(aq) --> MgCl 2(aq) + H 2(g) This demonstration can be used to illustrate the characteristic reaction ofmetals with acid, a single replacement reaction, or to demonstrate the generation of hydrogen gas.
2)When granulated zinc reacts with caustic soda, the products formed are sodium zincate and hydrogen gas.
3)The solution turns chalky due to precipitation of sodium bicarbonate, NaHCO3, which is less soluble in water than Na2CO3.
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2)When granulated zinc reacts with caustic soda, the products formed are sodium zincate and hydrogen gas.
3)The solution turns chalky due to precipitation of sodium bicarbonate, NaHCO3, which is less soluble in water than Na2CO3.
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