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Acids, bases and salts - Jamb Chemistry Past Questions and Answers

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Jamb Chemistry Past Questions

Jamb Past Questions and Answers on Acids, bases and salts

Question 106:


A carcinogenic substance is

A. Asbestos dust
B. Sawdust
C. Nitrogen (II) oxide
D. Carbon (II) oxide


Question 107:


Calcium tetraoxosulphate (VI) dissolves in water only sparingly to form a

A. Solution
B. Suspension
C. Precipitate
D. Colloid


Question 108:


Which of the following compound is a normal salt?

A. NaHS
B. NaHSO4
C. NaHCO3
D. Na2CO3


Question 109:


What volume of 0.5 mol dm-3 H2SO4 will exactly neutralize 20cm3 of 0.1 mol dm-3 NaOH solution?

A. 2.0 cm3
B. 5.0 cm3
C. 6.8 cm3
D. 8.3 cm3


Question 110:


ZnO(s) + CO(g) → Zn(s) + CO2(g)
In the reaction above, Zinc has been

A. Decomposed
B. Displaced
C. Oxidized
D. Reduced






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