Chemistry Mcqs
.jpeg)
1. H2o is the…… Of water.
a. Empirical formula
B. Molecular formula
C. Both of the above
D. None if these
2. C6H6 is the……. Benzene
A. Empirical formula
B. Molecular fromula
C. Both of the above
D. None of these
3. Empirical formula of glucose (c6H12O6)is
A. C6H12O6
B. CH2O
C. CH
D. H2O
4. Empirical fromula of surcose (C12 H22 O11) is
A. C12 H22 O11
B. C6 H11 O55
C. C6 H11 O5
D. C6 H11
5. The atomic mass of an atom, molecular mass of a molecule, fromula mass of a compound expressed in grams is called
A. Mole
B. Amu
C. Mole or Amu
D. None of these
6. 1mole of any substance contains 6.02*10²³ particles the numbers is called as
A. Avogadro,s numbers
B. Exponential number
C. Significant figures
D. None of these_
7. The study of the relationship between the amounts of the reactants and the porduct in a chemcials reactions is called.
A. Thermochemistry
B. Stoichemistry
C. Spectroecopy
D. None of these