Jamb 2016 Flashcards
(23 cards)
In an electrochemical cell, polarization is caused by
Hydrogen
The enzyme used in the hydrolysis of starch to dextrin and maltose is
Amylase
The monomer of nylon is
Hexanedioic/adipic acid
Ammonium chloride can be separated from its mixture with common salt by
Sublimation
The industrial preparation of hydrogen gas from water gas is referred to as
Bosch process
The compounds CH3CH2CHO and CH3COCH3 can be distinguished from each other using
Tolkien’s reagent
The process that requires the use of hardwater in its operation is A. Tanning B. Bottling C. Laundry D. Dyeing
B
The compound produced when sodium peroxide is heated with excess sodium is
Na2O
Cast iron is used in making
Stoves and cookers
An example of a gaseous fuel is
Butane
The oxidation of primary alkanol will give
Aldehyde for incomplete and carboxylic acid for complete
The oxidation of secondary alcohol will give
Ketones
The oxidation of tertiary alcohol will give
Nothing
Is Al(OH)3 a base
Amphoteric
The metal whose ore can be concentrated by passing it through a magnetic separator is
Sn
The arrangement of particles in crystal lattices can be studied using
X-ray
In the extraction of iron, the waste gas from the furnace is a mixture of
N2, CO and CO2
In a neutralization reaction involving HCI and NaOH using litmus as indicator, the colour at the end point is
Purple
An example of a solid emulsion is
Butter
The gas that is used for the treatment of cancer is
Radon
A chemical reaction in which the hydration energy is greater than the lattice energy is referred to as
Exothermic reaction
n monosaccharide ⇌PQ
polysaccharide -n water.
In the process above, P and Q respectively represent
Condensation and hydrolysis
CH4(g) + CI2(g) →
CH2CI(s) + HCIg
The major factor that influences the rate of the reaction above is
Light
