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Chalk is primarily composed of calcium carbonate.The formula of calcium carbonate is
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Q3: The only natural process that produces oxygen
Q17: What is the formula of ammonium nitrate?<br>A)NH₄NO₃<br>B)(NH₄)₂NO₃<br>C)NH₄(NO₃)₂<br>D)NH₄N
Q46: What is the conjugate base of HSO₃⁻?<br>A)H₂SO₄<br>B)H₂SO₃<br>C)HSO₄⁻<br>D)SO₃²⁻
Q70: Ammonia can be prepared by the reaction
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