Multiple Choice
Choose the INCORRECT statement about silicon.
A) Silicon forms on stable oxide.
B) Silicon exhibits more catenation than carbon.
C) Sand and quartz are SiO2.
D) The central feature of silicates is the SiO44- tetrahedron.
E) A silicone is a compound with an alternating silicon and oxygen chain as a backbone with carbon containing groups as sidechains.
Correct Answer:

Verified
Correct Answer:
Verified
Q31: When sodium and potassium react with excess
Q32: A sample of water has hardness expressed
Q33: Choose the molecular shape for BCl<sub>3</sub>.<br>A)trigonal planar<br>B)tetrahedral<br>C)bent<br>D)linear<br>E)trigonal
Q34: Choose the INCORRECT statement.<br>A)A glass is an
Q35: Write the equation for the production of
Q37: Lithium differs from other members of the
Q38: Write the chemical equation for the reaction
Q39: Both gypsum and plaster of Paris contain
Q40: Which oxidation state is uncommon for a
Q41: Finish the following reaction:<br>SnO<sub>2</sub> + NaOH(aq)+ H<sub>2</sub>O(l) →<br>A)SnO<sub>2</sub>(s)+