The hydrolysis of proteins by diluting mineral acids produces

A. sucrose

B. glucose

C. amino acids

D. fatty acids

Which of the following oxide causes acid rain?

A. CO

B. NO

C. H\(_{2}\)O\(_{2}\)

D. NO\(_{2}\)

The ratio of carbon atoms of hydrogen atoms in a hydrocarbon is 1:2. If its molecular mass is 56, what is its molecular formula?

A. C\(_{3}\)H\(_{6}\)

B. C\(_{4}\)H\(_{8}\)

C. C\(_{2}\)H\(_{4}\)

D. CH\(_{2}\)

What is the relative molecular mass of the compound below

A. 137

B. 136

C. 64

D. 59

Cathodic protection of metals is based on

A. standard electrode potential of hydrogen

B. its electrical conductivity

C. nature of oxides formed

D. relative tendencies of oxidation

If humid air is polluted by chlorine discharged, the air can be restored by sprinkling

A. solid MnO\(_{2}\)

B. acidified KMnO\(_{4}\)

C. acidified FeSO\(_{4}\)

D. saturated NaCl(aq)

The alkanol represented by the structure below is

A. primary and dihydric

B. secondary and monohydric

C. tertiary and dihydric

D. secondary and dihydric

Which of the following pairs of compounds would form a precipitate when their aqueous solutions are mixed?

A. NaCl and KNO\(_{3}\)

B. KCL and NaNO\(_{3}\)

C. K\(_{2}\)SO\(_{4}\) and BaCl\(_{2}\)

D. NH\(_{4}\)NO\(_{3}\) and CO\(_{3}\)

Study the graphs below and use them to answer the question below.
--missing photo--

Which of the following illustrates the variation of the rate of evolution of gas from a given length of magnesium ribbon (y-axis) with an increase in the concentration of the added (x-axis)?

A. I

B. II

C. III

D. IV

Which of the graphs illustrates the variation of the pH of a given volume of strong acid solution (y-axis) with the volume of strong base titrated against its (x-axis)?

A. I

B. II

C. III

D. IV