FUTO Chemistry 2015/2016 Day 2 Past Questions

Practice each question, then open it to see the full details.

Which of these metals, Mg Fe, Pb and Cu will dissolve in dilute HCI if air is blown through the solution?

A.Mg and Fe only
B.all the metal
C.Mg, Fe, and Mg,
D.Fe and Pb
E.Mg, Pb and Cu.

The name pentanone is not specific and proper because it can refer to

A.2-pentanone and 3-pentanone
B.1-penatanone and 5-pentanone
C.methyl propanone and propyl methanone
D.methyl propanone and methyl propyl butanone
E.methyl leatanne and Butyipropanone.

Which of the following have saturated isomer?

A.methane and ethane
B.methane and propane
C.ethane and propane
D.butane and methane
E.butane and pentane

Which of these mathematical relationship is for Charles law?

A.V=k(1/p)
B.V = KT/P
C.V = KT
D.V=1/p
E.V= P/T

Powdered marble reacts faster with hydrochloric acid solution than the granular form because the powdered form has

A.more molecules
B.more atoms
C.larger surface area
D.relatively large mass

The pOH of a solution of 0.25 mol dm of hydrochloric acid is

A.12.40
B.13.40
C.14.40
D.14.60

Sulphur (IV) oxide bleaches by

A.Reduction
B.Oxidation
C.Hydration
D.Adsorption

Carcinogenic substance is

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

An element X₁ forms a volatile hydride XH₃ with a vapour density of 17.0. The relative atomic mass of X is

A.34.0
B.31.0
C.20.0
D.14.0
E.30.0

How many moles of limestone will be required to produce 5.6g of CaO?

A.0.20mol
B.0.10mol
C.1.12mol
D.0.56mol
E.0.30mol