Year : 
1992
Title : 
Chemistry
Exam : 
JAMB Exam

Paper 1 | Objectives

31 - 40 of 51 Questions

# Question Ans
31.

The gas formed when ammonium trioxonitrate (V) is heated with sodium hydroxide is?

A. hydrogen

B. nitrogen (IV) oxide

C. oxygen

D. ammonium

D

32.

The gas formed when ammonium trioxonitrate (V) is heated with sodium hydroxide is?

A. hydrogen

B. nitrogen (IV) oxide

C. oxygen

D. ammonium

D

33.

Safety matches contain sulphur and?

A. potassium trioxochlorate (V)

B. potassium trioxonitrate (V)

C. charcoal

D. phosphorus sulphide

D

34.

Addition of an aqueous solution of a salt gives a white precipitate. The salt is likely to be a?

A. nitrate

B. carbonate

C. chloride

D. sulphide

B

35.

Sodium hydroxide solution can be conveniently stored in a container made of?

A. lead

B. zinc

C. aluminium

D. copper

D

36.

Which of the following is NOT used as a raw material in the Solvay process?

A. Ammonia

B. Sodium chloride

C. Calcium trioxocarbonate (IV)

D. Sodium trioxocarbonate (IV)

D

37.

Duralumin consists of aluminium, copper, ?

A. zinc and gold

B. lead and maganese

C. nickle and silver

D. manganese and magnesium

D

38.

CaOs + H2O(l) → Ca(OH)2(s) ΔH -65 kj. The process represented by the above equation is known as?

A. dissolution

B. slaking

C. liming

D. mortaring

B

39.

The carbon atoms in ethene are?

A. sp3 hybridized

B. sp hybridized

C. sp2 hybridized

D. not hybridized

C

40.

Which of the following compounds reacts with sodium metal as well as silver and copper salts ?

A. CH3C Ξ C—CH3

B. CH3CH2CH23>

C. CH3C Ξ CH

D. CH3CH = CH CH3

C

31.

The gas formed when ammonium trioxonitrate (V) is heated with sodium hydroxide is?

A. hydrogen

B. nitrogen (IV) oxide

C. oxygen

D. ammonium

D

32.

The gas formed when ammonium trioxonitrate (V) is heated with sodium hydroxide is?

A. hydrogen

B. nitrogen (IV) oxide

C. oxygen

D. ammonium

D

33.

Safety matches contain sulphur and?

A. potassium trioxochlorate (V)

B. potassium trioxonitrate (V)

C. charcoal

D. phosphorus sulphide

D

34.

Addition of an aqueous solution of a salt gives a white precipitate. The salt is likely to be a?

A. nitrate

B. carbonate

C. chloride

D. sulphide

B

35.

Sodium hydroxide solution can be conveniently stored in a container made of?

A. lead

B. zinc

C. aluminium

D. copper

D

36.

Which of the following is NOT used as a raw material in the Solvay process?

A. Ammonia

B. Sodium chloride

C. Calcium trioxocarbonate (IV)

D. Sodium trioxocarbonate (IV)

D

37.

Duralumin consists of aluminium, copper, ?

A. zinc and gold

B. lead and maganese

C. nickle and silver

D. manganese and magnesium

D

38.

CaOs + H2O(l) → Ca(OH)2(s) ΔH -65 kj. The process represented by the above equation is known as?

A. dissolution

B. slaking

C. liming

D. mortaring

B

39.

The carbon atoms in ethene are?

A. sp3 hybridized

B. sp hybridized

C. sp2 hybridized

D. not hybridized

C

40.

Which of the following compounds reacts with sodium metal as well as silver and copper salts ?

A. CH3C Ξ C—CH3

B. CH3CH2CH23>

C. CH3C Ξ CH

D. CH3CH = CH CH3

C