4. Write your observations for the following chemical reactions and name the products formed:
a. when water is added to quick lime
b. When an aqueous solution of sodium chloride is mixed with an aqueous solution of silver nitrate.
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a. when water is added to quick lime it reacts to form calcium hydroxide (slaked lime)
H2O+CaO= Ca(OH) 2+heat
b. when silver nitrate is reacts with sodium chloride a white precipitate of silver chloride is formed which is highly insoluble in water, along with formation of sodium nitrate. Since AgCl is insoluble in water it will precipitate out and NaNo3 is soluble in water so it will remain dissolved in the mixture. AgNo3 + NaCl = AlCl + NaNo3
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