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How do we know that caramelizing sugar is a chemical change ?

asked Jan 17, 2017

Chemistry
high-school

1 answer

1 vote

13.7k views

Simplify. (–28xy) ÷ (–4)

asked Jan 7, 2017

Mathematics
middle-school

2 answers

1 vote

188k views

Which ruler founded the Safavid empire in the early 1500s after conquering persia and becoming shah

asked Oct 10, 2016

History
middle-school

2 answers

1 vote

126k views

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