2018
Which of the following properties would not influence electrovalent bond formation?
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2018 WAEC SSCE Chemistry Past Questions
2018
The solubility of \(CO_{2}\) in water can be accounted for by
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2018
The bonding pair of electrons in a Hydrogen Chloride molecule is pulled towards the chlorine atom because
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2018
What is the total number of shared pair of electrons in the compound above?
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2018
The atomic number of an isotope of hydrogen is equal to its mass number because it
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2018
Which of the following electron configurations represents the transition element Chromium \(_{24}Cr\)?
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2018
Common Salt (NaCl) is used to preserve foods. Which of the following properties can be used to determine its purity before use?
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2018
Atoms are electrically neutral because they
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2018
What is the relative molecular mass of a compound which has empirical formula \(CH_{2}O\)? [C= 12, H= 1, O= 16]
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2018
The law of definite proportions states that
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2018
Analysis of a hydrocarbon shows that it contains 0.93g of Carbon per gram of the compound. The mole ratio of carbon to hydrogen in the compound is [H = 1.0, C=12.0]
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2018
Which of the following statements is true about ionic radius? Ionic radius
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2018
Which of the following methods can be used to seperate blood cells from plasma?
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2018
The change in the oxidation state of iron in the reaction represented by the equation: \(2FeCl_{3} + H_{2}S \to 2FeCl_{2} + 2HCl + S\) is
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2018
The empirical formula of a compound containing 0.067mol Cu and 0.066mol O is [Cu = 63.5, O = 16]
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2018
When zinc is added to AgNO\(_{3}\) solution, crystals of silver forms on the zinc surface. This indicates that zinc is
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2018
The strength of metallic bonds depends on the
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2018
How many atoms are contained in 0.2moles of nitrogen? \([N_{A} = 6.02 \times 10^{23}]\)
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2018
When chlorine is passed through a sample of water, the pH of the water sample would be
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2018
One of the criteria for confirming the purity of benzene is to determine its
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