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Jamb Chemistry Past Questions and Answers

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Jamb Chemistry Past Questions

Question 2211:


Which of the following metals reacts slowly with cold water?

A. Iron
B. Silver
C. Calcium
D. Pottassium


Question 2212:


which of the following elements has the highest ionization energy?

A. Calcium
B. Chlorine
C. Flourine
D. Magnesium


Question 2213:


In which of the following will hydrogen form ionic compound?

A. HCL
B. NaH
C. NH\(_3\)
D. CH\(_4\)


Question 2214:


If the volume of a given mass of a gas at 0ºc is 29.5cm\(^3\). What will be the volume of the gas at 15ºc, given that the pressure remains constant.

A. 31.6
B. 62.2
C. 32.7
D. 31.1


Question 2215:


The reactions below represent neutralization reaction, in which of them is the value of ΔH highest?

A. CH\(_3\)CH\(_2\)COOH + KOH → CH\(_3\)CH\(_2\)COOK + H\(_2\)O
B. NH\(_4\)OH + HCL → NH\(_4\) + H\(_2\)O
C. NaOH + HCL → NaCL + H\(_2\)O
D. CH\(_3\)COOH + NaOH → CH\(_3\)COONa + H\(_2\)O






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