6- the chemical formula of carbonate salt contain monovalent cation is
O XCO3
O X2HCO3
...
6- the chemical formula of carbonate salt contain monovalent cation is
O XCO3
O X2HCO3
O X2CO3
O X(HCO3)2
7- after adding sodium hydroxide into hydrochloric acid, pH will
O Increases
O decreases
O remains constant
8- the reaction between calcium hydroxide and Nitric acid forming
o Ca(NO2)2
O Ca(NO3) O Ca(NO3)2
o Ca(NO2)
Answers: 2
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