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Choose \(two\) correct statements from the below statements:
  
Answer variants:
Calcium hydroxide is an example of a tri-acidic base.
Many acids react with metals to produce salts and release hydrogen gas.
Red litmus has no effect in base solution.
Calcium hydroxide is an example of a di-acidic base.
 
Correct statement \(1\): 
 
Correct statement \(2\):