10. Muriatic acid, also known as Hydrochloric acid (HCl), is used as a cleaning agent in homes to get rid of tough stains and molds. Calculate the molar mass of HCl given the mass of H = 1.001 g and Cl = 35.45 g. A. 36.00 g B. 36.00 g/mol C. 36.45 g D. 36.45 g/mol
11. They are formed from alternating ejected lava fragments and ash.
A. Cinder cone volcanoes B. Composite volcanoes C. Shield volcanoes D. Strombolian
12.When volcanoes erupt it ejects different materials into the Earth’s surface, EXCEPT:
A. Carbon dioxide B. Oxygen gas C. Silica D. Tephra
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10. B
11. B
12. C
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