UNICAL Chemistry 2010/2011 Past Questions

Which of the following can be explained by the kinetic theory? I. the physical state of matter II. Diffusion of gases III Melting o solid IV Evaporation of liquids

The properties of electrovalent compounds include the following except

Which of the following statements is not correct about electrolysis?

Separation of mixtures of solids by physical methods can be based on differences in the following except

The following are major gaseous pollutants except

The ratio of reactants of products 1:3:2 in the reaction represented by the equation below: N_2(g) + 3H_2(g) → 2HH_3(g). Which of the following laws is demonstrated by this

pH of a 0.0001M acid is

$$\begin{matrix} && CH_3 \\ & &|\\CH_3CH_2&-&C&-&CH_3\\ & &|\\&&CH_3\end{matrix}$$. How many isomers of the compound above can be obtained?

Alkanoates are produced from alkanols by

What mass of anhydrous sodium trioxocarbonate (iv) is present in 500cm³ of 0.1mol/dm3 of the solution (Na = 23, C = 12, O = 16)