Please answer my MCQ
1)which of the following is a physical change
A) adding NaCL to water
B) mixture solutions of NaOH and HCL
C) mixing NH3 and HCL
D) burning magnesium in air
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2)which one of the following is a chemical change
A) burning magnesium in air
B) mixing solutions of NaOH and HCL
C) mixing NH3 and HCL
D) each one
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1) A) adding NaCI to water
2) D) each one
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2) D) each one
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