List three evidences of physical and chemical change. ( If you know only one or two please write them anyways please)
1 answer:
Physical: ripping paper, braking a stick, cake batter mixing
Chemical: burning paper, spoiled milk, a penny turning green
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Answer:
gwbwhsusjhsbdsbdiddushsbdbdjsisshbwwiwjwbssidhdbdhdjdidjdbsbd
You can tell the difference by How shiny it is and by how heavy it is
C. Formation of a new substance
you are right on all the ones you did
Explanation:
2Mg⁺ 2HNO₃ = Mg(NO₃)₂ + H₂
