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Paper 1 | Objectives | 47 Questions
NECO - BECE
Year: 2009
Level: JHS
Time:
Type: Question Paper
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Paper 1 | Objectives
Biology
Exam
2011
FREE
French
Geography
1990
2014
Economics
2012
Agricultural Science
1999
2018
Chemistry
1991
1989
1993
2008
A colourless gas with characteristics odour which dissolves in water to form an alkaline solution is
A. ammonia
B. carbon(IV)oxide
C. hydrogen chloride
D. sulphur (IV) oxide
E. sulphur (VI) oxide
Which of the following equations is NOT balanced?
A. CH4(g) + 202(9) → CO2(g) + 2H2O(g)
B. CU(S) + HNO3(aq) → Cu(NO3)2(aq) + 4H2O(I) + NO(g)
C. 2KCIO3(s) → 2KCI(s)+ 3O2(g)
D. NaH(s) + H2O(1) → NaOH(aq) +H2(g)
E. Na2SO4(aq) + BaCl2(aq) → BaSO4(s) + 2NaCl(aq)
The process involved in the decomposition of sugar by an enzyme is called
A. dehydration
B. esterification
C. fermentation
D. polymerization
E. saponification
Compound with the general formula CnH2n2 belong to the_______ group
A. alkanal
B. alkane
C. alkanoate
D. alkene
E. alkyne
Which of the following non-metals reacts most readily with metals?
A. Carbon
B. Chlorine
C. Nitrogen
D. Phosphorus
E. Sulphur
The percentage composition of a hydrocarbon is 79.2 carbon 20.8 hydrogen. Calculate its empirical formula [H = 1, C = 12]
A. CH
B. CH3
C. CH4
D. C2H2
E. C2H6
The following compounds decolorize acidified potassium tetraoxomanganate (VII) solution EXCEPT
A. HOCH2 – CH2OH
B. H2C –C =C– CH3
C. H3C – HC = CH2
D. H2C = CH2
E. H3C – C =CH
The scientist who discovered the zig-zag movement of gas molecules is
A. Brownian
B. Dalton
C. Gay Lussac
D. Graham
E. Newton
Which of the following is NOT a fraction of petroleum?
A. Bitumen
B. Coal
C. Diesel
D. Kerosene
E. Petrol
Which of the following statements is NOT correct of group VII elements? They
A. are diatomic
B. are good oxidizing agents
C. are highly electronegative
D. have high electron affinity
E. have relatively low ionization potentials
Preview displays only 10 out of the 47 Questions