2016 WAEC SSCE Chemistry Past Questions

2016

The shape of the water molecule is_______?

2016

The spreading of the scent of a flower in a garden is an example of_____?

2016

The general gas equation \(\frac{PV}{T}\) = K is a combination of

2016

Which of the following statements about solids is correct?

2016

How many moles of oxygen would contain 1.204 x 1024 molecules?[Avogadro's constant (NA) = 6.02 x 1023]

2016

The pH of four solutions M,N,Q and R are 2,6,8 and 11 respectively.Which of the following deductions about the solutions is correct?

2016

When NH4Cl(s) is dissolved in water, the container feels cold to touch. This implies

2016

Propane carbon(IV)oxide diffuse at the same rate because [H = 1.00, C = 12.0, O = 16.0]

2016

On evaporation to dryness, 3503 of saturated solution of salt Z gave 55.5g of salt. What is the solubility of the salt? [Z = 101]

2016

Which of the following factors will affect the rate of the reaction represented by the following equation?2HCl(aq) + CaCO3(s) \(\rightarrow\) CaCl2(aq) + H2O(1) + CO2(g)I. Pressure II.Concentration III. Nature of react…

2016

Chemical equilibrium is attained when

2016

The refreshing characteristic taste of fizzy drinks is due ot the presence of

2016

Consider the following reaction equation:H3O+(aq) + OH(aq) \(\rightarrow\) 2H2O(1)The reaction represents

2016

Chlorine water is used as a bleaching agent because it is

2016

A compound with molecular formula CH2O2 is

2016

Which of the following bonds are broken when ethanol is boiled?I. Covalent bondsII. Ionic bondsIII. Hydrogen bonds

2016

Which of the following salts when dissolved in water will form a solution that will change blue litmus to red?

2016

Amino acids are obtained from proteins by

2016

Consider the following half-cell reactions.Al(s) \(\to\) Al3+(aq) + 3e-Cu2+(aq) + 2e- \(\to\) Cu(s)The overall equation for the reaction is

2016

Consider the following ionic equation:Cr2O72- + 14H+ + ne- \(\to\) 2Cr3+ + 7H2O.The value of n in the equation is_______?

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