Question

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

Answer 1

hey friend,

1) A) adding NaCI to water

2) D) each one


# hope it helps....

Answer 2

1) A) adding NaCL to water 
2)  D) each one

Thanks................................
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