1 3 sample of lead? <![CDATA[<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=gif::::/sites/dl/free/007877846x/161383/674_156_q1_q2_q3.gif','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (4.0K)</a>]]>
A) 0.465 g B) 59.3 g C) 2.15 g D) 16.6 g 2 <![CDATA[<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=gif::::/sites/dl/free/007877846x/161383/674_156_q1_q2_q3.gif','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (4.0K)</a>]]>
A) 2.10 cm3 B) 2.62 cm3 C) 2.99 cm3 D) 3.81 cm3 3 3 . Use the table above to determine the most likely identity of the unknown substance. <![CDATA[<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=gif::::/sites/dl/free/007877846x/161383/674_156_q1_q2_q3.gif','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (4.0K)</a>]]>
A) iron B) zinc C) magnesium D) silver 4 A) acidic B) bitter C) neutral D) basic 5 A) Metal parts on the bicycle drew rust from the air. B) The rust formed when iron undergoes physical weathering. C) A temperature change drew rust out of metal parts on the bicycle. D) Iron was exposed to salt and water and change to a new substance. 6 best describes this?A) irreversible physical change B) reversible chemical change C) reversible physical change D) irreversible chemical change 7 A) water freezing B) a cake baking C) a match burning D) fireworks exploding 8 3 . What is the density of a 54-g sample?A) 2.42 g/cm3 B) 2.47 g/cm3 C) 21.8 g/cm3 D) 7.28 g/cm3 9 A) sour B) bitter C) pH above 7 D) slippery 10 A) color B) density C) state of matter D) volume
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