Pure quartz is composed of
A) silicon and oxygen.
B) silicon, oxygen and metals.
C) silicon, sulfur and metals.
D) calcium, oxygen and metals.
Correct Answer:
Verified
Q3: Limestone is consists of
A)Al₂O₃.
B)CaCO₃.
C)Fe₂O₃.
D)PbS.
Q4: Which of the following are part of
Q5: Calcium carbonate is NOT found in
A)seashells.
B)chalcopyrite.
C)pearls.
D)stalactites.
Q6: Which of the following technological advances was
Q7: Concrete is a mixture of cement along
Q9: All of the following combinations of elements
Q10: Silicates are compounds composed of
A)silicon only.
B)silicon and
Q11: Which of the following is NOT a
Q12: In terms of composition,nine elements compose approximately
Q13: The majority of metals and minerals come
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents