2022
The IUPAC name of the compound CH3CH(CH3)CHCH2 is
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2022 WAEC SSCE Chemistry Past Questions
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2022
The maximum number of covalent bonds formed by nitrogen is
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2022
Which of the following bond types is intermolecular?
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2022
What is the percentage composition of carbon in Ca(HCO3)\(_{2}\) ? [ Ca = 40.0, 0= 16.0, C = 12.0, H= 1.0]
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2022
Which of the following elements would displace copper from a solution of copper ions?
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2022
If 50 cm\(^{3}\) of a saturated solution of KNO\(_{3}\) at 40 °C contained 5:05 g of the salt, its solubility at the same temperature would be [KNO\(_{3}\) = 101]
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2022
What number of moles of oxygen would exert a pressure of 10 atm at 320 K in an 8.2 dm\(^{3}\) cylinder? [R=0.082 atm dm\(^{-3}\) mol\(^{-1}\) K\(^{-1}\)]
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2022
A hydrogen chloride gas reacted with oxygen gas to yield water and chlorine gas. The mole ratio of the hydrogen chloride gas to water is
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2022
Which of the following statements about liquids is/are true? I. Liquids maintain their volume at constant temperature. II. Liquids have fixed shape III. Liquids do not diffuse IV. Change in pressure affects volume of liq…
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2022
When air in a syringe is compressed such that there is no change in temperature, the
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2022
Consider the following reaction equation N\(_{2}\)(g) + 3H\(_{2(g)}\); ∆H = -92kJ
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2022
Which of the following statements about an equilibrium system is correct?
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2022
Which of the following gases is alkaline?
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2022
Graphite is used as a dry lubricant due to the presence of
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2022
What is the partial pressure of oxygen at s.t.p. in a gaseous mixture containing 100 cm3 of oxygen and 900 cm3 of nitrogen gas?
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2022
Which of the following acids would form normal salt only?
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2022
Consider the following reaction equation: CaO + SiO\(_{2}\) ------> CaSiO\(_{3}\) Silicon(IV) oxide is acting as
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2022
Before a reaction could take place, there should be
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2022
A white precipitate was formed when BaCl\(_{2(aq)}\) was added to an aqueous solution of a salt X. The precipitate dissolved in dilute HCl with rapid effervescence. Salt X is likely to contain
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2022
Increasing the temperature generally
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