The Chemical Formula of Sand is___________?

A. Si2O3
B. SiO2
C. Al2O3
D. Sr2O

Submitted by: Naintara Mustafa

The chemical compound silicon dioxide, also known as silica (from the Latin silex), is an oxide of silicon with a chemical formula of SiO2 and has been known for its hardness since antiquity. Silica is most commonly found in nature as sand or quartz, as well as in the cell walls of diatoms.

Related Mcqs:

A compound is determined to have an emperical formula of C2H6O and a molar mass of 138 g/mole. What is the molecular formula?
A. C2H6O
B. C6H18O3
C. C6H12O6
D. C2H5O
Submitted by: Muhammad Ali Kunbhar
A substance is analyzed and found to have an emperical formula of CH2 and a molar mass of 56g/mole. What is the molecular formula of the compound?
A. C2H4
B. C3H6
C. C4H8
D. C5H10
Submitted by: Muhammad Ali Kunbhar
The chemical formula of sodium hypochlorite is________________?
A. NaCLO
B. NaClO2
C. NaClO3
D. NaClO4
What is the Chemical formula of Zinc Hydroxide _________ ?
A. Zn(OH)2
B. ZNO2
C. Zn2(OH)3
D. ZnOH
Submitted by: Rashid Mehmood
Formula of haloform is_________________?
A. HCOX
B. CX4
C. CHX3
D. CH3X
The formula of starch is__________________?
A. C12H22O11
B. C6H10O5
C. (C6H10O5)n
D. C6H12O6
The formula C6H5-CO-CH3 represents_______ ?
A. Acetone
B. Acetic acid
C. Acetophenone
D. Phenyl acetate
Submitted by: Muhammad Ali Kunbhar
If a compound contains 24 gram of carbon 2 gram of hydrogen and 64 gram of oxygen then its empirical formula will be________?
A. C2H2O4
B. CH2
C. CH2O
D. CHO2
Submitted by: Raza Samejo
Formula of Galena is________?
A. PbS
B. HgS
C. AS2S3
D. FeS2
Submitted by: Muhammad Ali Kunbhar
What is the formula of Silver nitrate?
A. AgNO
B. AgNO2
C. AgNO3
D. AgNO4
Submitted by: Muhammad Kamal