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Lubov Fominskaja [6]
3 years ago
7

Is crushing a rock a chemical or physical change?

Chemistry
1 answer:
aalyn [17]3 years ago
4 0
Physical change because you didn't change the chemical compound 
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3 years ago
Complete the following equations : H3PO4 = 3H+ --------------- CaSO4 = Ca 2+ ---------------- (2) b) Write the formulae of the s
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Answer:

H₃PO₄ → 3H⁺ + PO₄³⁻

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2 HCl + Ca(OH)₂ → 2H₂O + CaCl₂

5 0
2 years ago
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