The general formula of alkanones is

The constituent common to duralumin and alnico is

The shape of the S-orbital is

Aluminium hydroxide is used in the dyeing industry as a

The tincture of iodine means iodine dissolved in

Temporary hard water is formed when rain water containing
dissolved carbon(IV) oxide flows over deposits of

The acid anhydride that will produce weak acid in water is

The process that occurs when two equivalent forms of a
compound are in equilibrium is

In the laboratory preparation of ethyl ethanoate, the water
present in the mixture is removed using a solution of

The constituent of air necessary in the rusting process are

A given mass of gas occupies 2dm3 at 300k. At what
temperature will its volume be doubled, keeping the pressure
constant?

The oxidation number of iodine in KIO is

An isomer of C 5H12 is

An isomer of C 5H12 is

When few drops of concentrated trioxonitrate(V) acid is added
to an unknown sample and wanned an intense yellow
colouration is observed. The likely functional group present in
the sample is

A sample of orange juice is found to have a PH of 3.80. What
is the concentration of the hydroxide ion in the juice?A

Incomplete oxidation of ethanol yields

The salt formed from a weak acid and a strong base
hydrolyzes in water to form

The ideal gas laws and equations are true for all gases at

When ΔH is negative, a reaction is said to be

The shape of ammonia molecules is

The mass of silver deposited when a current of 10A is passed
through a solution of silver salt for 4830s is – (Ag = 108 F =
96500(mol )

Tin is unaffected by air at ordinary temperature due to its

Calculate the amount in moles of silver deposited when 9650C
of electricty is passed through a solution of silver salt [= 96500
Cmol ]

The enzyme used in the hydrolysis of starch to dextrin and
maltose is

The alkyl group is represented by the general formula

Calculate the mass of copper deposited when a current of 0.5
ampere was passed through a solution of copper(II) chloride
for 45 minutes in an electrolytic cell. [Cu = 64, F = 96500Cmol-1
]

C 3H5 – COH3 =CH2
The IUPAC nomenclature of the structure above is

The reddish–brown rust on ion roofing sheets consists of

The densities of two gases, X and Y are 0.5gdm and 2.0gdm
respectively. What is the rate of diffusion of X relative to Y?

The carbon atoms on ethane are

sp hybridized

An oxide XO has a vapour density of 32. What is the atomic
mass of X?

The gas that can be collected by downward displacement of air
is

In the laboratory preparation of trioxonitrate (V) acid the
nitrogen(iv) oxide formed as a by-product is removed by

A particle that contains a protons, 10 neutrons and 10
electrons is

Ethene is prepared industrially by

If 100cm of oxygen pass through a porous plug is 50
seconds, the time taken for the same volume of hydrogen to
pass through the same porous plug is? [O = 16, H = 1]

Due to the high reactivity of sodium, it is usually stored under

The furring of kettles is caused by the presence in water of

Water for town supply is chlorinate to make it free from

The general formula of alkanones is

The oxidation number of iodine in KIO is

An isomer of C H is

When few drops of concentrated trioxonitrate(V) acid is added
to an unknown sample and wanned an intense yellow
colouration is observed. The likely functional group present in
the sample is

When few drops of concentrated trioxonitrate(V) acid is added
to an unknown sample and wanned an intense yellow
colouration is observed. The likely functional group present in
the sample is

When few drops of concentrated trioxonitrate(V) acid is added
to an unknown sample and wanned an intense yellow
colouration is observed. The likely functional group present in
the sample is