General Knowledge

Chemistry - Section 1

General Knowledge Exercise Mode

Chemistry - Section 1

Practice and master this topic with our carefully crafted questions.

10 Questions
15 Minutes
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Question 11
The main chemical constituent of clay is

A
silicon oxide
B
aluminium borosilicate
C
zeolites
D
aluminium silicate
Correct Answer: Option D

No answer description available for this question.

Question 12
The mineral containing both magnesium and calcium is

A
magnesite
B
calcite
C
carnallite
D
dolomite
Correct Answer: Option D

No answer description available for this question.

Question 13
The most important ore of aluminium is

A
bauxite
B
magnetite
C
haematite
D
monazite
Correct Answer: Option A

No answer description available for this question.

Question 14
The organic reaction represented by equation CH3 - CH = O + H2NOH gives CH3 - CH - NH + H2O is an example of

A
an addition reaction
B
a condensation reaction
C
an oxidation reaction
D
an elimination reaction
Correct Answer: Option B

No answer description available for this question.

Question 15
The number of electrons presents in H+ is

A
zero
B
one
C
two
D
three
Correct Answer: Option A

H+ is a hydrogen ion, and it is an ion because it LOST an electron. Electrons are negatively charged. When an atom gains electrons it will have NEGATIVE charges.

Question 16
The hottest part of the gas flame is known as

A
luminous zone
B
dark zone
C
blue zone
D
non-luminous zone
Correct Answer: Option D

No answer description available for this question.

Question 17
The human body is made up of several chemical elements; the element present in the highest proportion (65%) in the body is

A
carbon
B
hydrogen
C
oxygen
D
nitrogen
Correct Answer: Option C

No answer description available for this question

Question 18
The isomerism which exists between CH3CHCI2 and CH2CI. CH2CI is

A
chain isomerism
B
functional group isomerism
C
positional isomerism
D
metamerism
Correct Answer: Option C

No answer description available for this question.

Question 19
The maximum number of covalent formed by nitrogen is

A
1
B
2
C
3
D
4
Correct Answer: Option D

No answer description available for this question.

Question 20
The formula C6H5-CO-CH3 represents

A
Acetone
B
Acetic acid
C
Acetophenone
D
Phenyl acetate
Correct Answer: Option C

No answer description available for this question.

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