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9.which of the following is a heterogeneous mixture? a.air b.oil in water c.stainless steel d.softdrink
10.what is/are true for subtance and mixture? _______________________________________ | |.pure subtance melts completely. | | ||.pure subtance has varying boiling point. | | |||.mixture does not melt completely. | |IV.mixture has a fixed boiling point. | |_______________________________________| a.I and II only b.I and III only c.II and IV only d.I ad IV only
11.what does it indicate when a sugar is heated in a test tube until it is completely changed into a black mass and droplets of water? a.compound b.element c.mixture d.solution
12.what subtance is made by mixing two elements without being chemically combined? a.compound b.element c.mixture d .solution
paki anwer po yung sakto sana kailangan ko na po yung answer please po
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