Year : 
2000
Title : 
Chemistry
Exam : 
JAMB Exam

Paper 1 | Objectives

31 - 40 of 50 Questions

# Question Ans
31.

A phenomenon where an element exist in different forms in the same physical state is known as

A. isomerism

B. amorphism

C. allotropy

D. isotopy

C

32.

The substance often use for vulcanization of rubber is

A. chlorine

B. hydrogen peroxide

C. sulphur

D. tetraoxosulphate (IV) acid

C

33.

A gas that is not associated with global warming is

A. CO2

B. SO3

C. CH4

D. H2

D

34.

The refreshing and characteristic taste of soda water and other soft drinks is as a result of the presence in them of

A. carbon (IV) oxide

B. carbon (II) oxide

C. soda

D. glucose

A

35.

A form of carbon used for absorbing poisonous gases and purification of noble gases is

A. wood charcoal

B. animal charcoal

C. carbon fibres

D. carbon black

A

36.

Synthesis gas is a mixture of

A. CH4 and H2O

B. CH4 and H2

C. CO2 and H2

D. CO and H2

D

37.

Potassium vapour burns with a

A. blue flame

B. brick-red flame

C. violet flame

D. golden-yellow flame

C

38.

A common characteristics of copper and silver in their usage as coinage metals is that they

A. have high metallic lustre

B. are not easily oxidized

C. are easily oxidized

D. are not easil reduced

B

39.

Haematite is an ore of

A. zinc

B. lead

C. iron

D. copper

C

40.

The least easily oxidized of the metals below is

A. Ca

B. Na

C. Zn

D. Al

D

31.

A phenomenon where an element exist in different forms in the same physical state is known as

A. isomerism

B. amorphism

C. allotropy

D. isotopy

C

32.

The substance often use for vulcanization of rubber is

A. chlorine

B. hydrogen peroxide

C. sulphur

D. tetraoxosulphate (IV) acid

C

33.

A gas that is not associated with global warming is

A. CO2

B. SO3

C. CH4

D. H2

D

34.

The refreshing and characteristic taste of soda water and other soft drinks is as a result of the presence in them of

A. carbon (IV) oxide

B. carbon (II) oxide

C. soda

D. glucose

A

35.

A form of carbon used for absorbing poisonous gases and purification of noble gases is

A. wood charcoal

B. animal charcoal

C. carbon fibres

D. carbon black

A

36.

Synthesis gas is a mixture of

A. CH4 and H2O

B. CH4 and H2

C. CO2 and H2

D. CO and H2

D

37.

Potassium vapour burns with a

A. blue flame

B. brick-red flame

C. violet flame

D. golden-yellow flame

C

38.

A common characteristics of copper and silver in their usage as coinage metals is that they

A. have high metallic lustre

B. are not easily oxidized

C. are easily oxidized

D. are not easil reduced

B

39.

Haematite is an ore of

A. zinc

B. lead

C. iron

D. copper

C

40.

The least easily oxidized of the metals below is

A. Ca

B. Na

C. Zn

D. Al

D