Chemistry (2016) Study Mode

Try this quiz in CBT Mode
Chemistry (2016) in CBT Mode

Please share this quiz link to your friends, they might need it!

Quiz link
you can share this link with your friends
copy link veiw live

1.
In an electrochemical cell, polarization is caused by
Join or view discussions on this question
A.
Oxygen
B.
Hydrogen
C.
Tetraoxosulphate(IV) acid
D.
Chlorine

2.
The condition required for corrosion to take place is the presence of
Join or view discussions on this question
A.
Oxygen and Carbon (IV) oxide
B.
Water and Oxygen
C.
Water and Carbon (IV) oxide and Oxygen
D.
Water and Carbon (IV) oxide

3.
The enzyme used in the hydrolysis of starch to dextrin and maltose is
Join or view discussions on this question
A.
Zymase
B.
Sucrase
C.
Amylase
D.
Lactase

4.
In the laboratory preparation of chlorine from concentrated hydrochloric acid in the presence of potassuim tetraoxomanganate(VII) the produced is dried by passing it through
Join or view discussions on this question
A.
Concentrated tetraoxosulphate (VI) acid
B.
Anhydrous calcium chloride
C.
Calcium oxide
D.
Sodium hydroxide

5.
The monomer of nylon is
Join or view discussions on this question
A.
Hydroxybenzene
B.
Hexanedioic acid
C.
Benzene -1,-4-dicarboxylic acid
D.
Ethane-1,2-diol

6.
The principle of column chromatography is based on th ability of the constituents to
Join or view discussions on this question
A.
React with the solvent in the column
B.
React with each other in the solvent in the column
C.
Dissolve in each other in the column
D.
Move at different speeds in the column

7.
Ammonium chloride can be separated from its mixture with common salt by
Join or view discussions on this question
A.
Distillation
B.
Evaporation
C.
Decantation
D.
Sublimation

8.
The ability of carbon to form long chains is referred to as
Join or view discussions on this question
A.
Alkylation
B.
Acylation
C.
Carbonation
D.
Catenation

9.
The industrial preparation of hydrogen gas from water gas is referred to as
Join or view discussions on this question
A.
Bosch process
B.
Contact process
C.
Haber process
D.
Bayer Process

10.
The relative atomic mass of a naturally occurring lithium consisting of 90%\(\frac{7}{3}\)Li and 10%\(\frac{6}{3}\)Li is
Join or view discussions on this question
A.
6.2
B.
6.8
C.
7.1
D.
6.9
Explanation. Give a better Explanation
(\(\frac{90}{100}\) x 7) + (\(\frac{10}{100}\) x 6)

= 6.3 + 0.6 = 6.9


Next Page
Question Map