Chemistry, 2001, JAMB Exam, Exam, Paper 1 | Objectives

Paper Info

Year :

2001

Title :

Chemistry

Exam :

JAMB Exam

Paper 1 | Objectives

41 - 50 of 50 Questions

#	Question	Ans
41.	The gas that can best be collected by downward displacement of air is A. Chlorine B. Sulphur (IV) oxide C. Ammonia D. Carbon (IV) oxide	C
42.	Which of the following metals burn with brick red flame? A. Pb B. Ca C. Na D. Mg	B
43.	Which of the following represent hybridization in ethyne? A. Sp² B. Sp²d C. Sp³ D. Sp	D
44.	C₁₂H₂₂O_11(s) + H₂SO_4(aq) 12C_(s) + 11H₂O_(l) + H₂SO_4(aq) In the reaction above, tetraoxosulphate (VI) acid function as A. A dehydrate agent B. An oxidizing agent C. A reducing agent D. A catalyst	A
45.	When sodium reacts with water, the resulting solution is A. Weakly acidic B. Neutral C. Acidic D. Alkaline	D
46.	Which of the following gases contains the least number of atoms at s.t.p? A. 1 mole of butane B. 3 mole of ozone C. 4 mole of chlorine D. 7 mole of argon	A
47.	If the gas is cooled, at what temperature will it start to condense? A. 125 ^oC B. 150^oC C. 175^oC D. 250^oC	B
48.	How long does it take all the solid to melt?` A. 2.5 mins B. 6.0 mins C. 1.0 min D. 3.0 mins	A
49.	The diagram above represents the formation of A. a metallic bond B. an electrovalent bond C. a covalent bond D. a coordinate covalent bond Show Content Detailed Solution Covalent bonds involve the sharing of electrons between two atoms	C
50.	If 1 dm³ of a saturated solution of L at 60⁰C is cooled to 25⁰C, what amount in mole will separate out? A. 0.75 B. 0.25 C. 1.00 D. 0.50	A

41.	The gas that can best be collected by downward displacement of air is A. Chlorine B. Sulphur (IV) oxide C. Ammonia D. Carbon (IV) oxide	C
42.	Which of the following metals burn with brick red flame? A. Pb B. Ca C. Na D. Mg	B
43.	Which of the following represent hybridization in ethyne? A. Sp² B. Sp²d C. Sp³ D. Sp	D
44.	C₁₂H₂₂O_11(s) + H₂SO_4(aq) 12C_(s) + 11H₂O_(l) + H₂SO_4(aq) In the reaction above, tetraoxosulphate (VI) acid function as A. A dehydrate agent B. An oxidizing agent C. A reducing agent D. A catalyst	A
45.	When sodium reacts with water, the resulting solution is A. Weakly acidic B. Neutral C. Acidic D. Alkaline	D

46.	Which of the following gases contains the least number of atoms at s.t.p? A. 1 mole of butane B. 3 mole of ozone C. 4 mole of chlorine D. 7 mole of argon	A
47.	If the gas is cooled, at what temperature will it start to condense? A. 125 ^oC B. 150^oC C. 175^oC D. 250^oC	B
48.	How long does it take all the solid to melt?` A. 2.5 mins B. 6.0 mins C. 1.0 min D. 3.0 mins	A
49.	The diagram above represents the formation of A. a metallic bond B. an electrovalent bond C. a covalent bond D. a coordinate covalent bond Show Content Detailed Solution Covalent bonds involve the sharing of electrons between two atoms	C
50.	If 1 dm³ of a saturated solution of L at 60⁰C is cooled to 25⁰C, what amount in mole will separate out? A. 0.75 B. 0.25 C. 1.00 D. 0.50	A