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Use the following option above to answer this question. Which of the following compounds in solution will turn red litmus paper blue?
AA
BB
CC
DD
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Question 422
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Use the above option to answer this question. The dehydration of ammonium salt of alkanoic acids produces a compound with the general formula
AA
BB
CC
DD
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Question 423
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The IUPAC nomenclature for the compound above is
A4-methylpent-1-ene
B3-methylpent-2-ene
C2-methylpent-1ene
D2-methylpent-4-ene
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Question 424
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Choose the correct option from the graph above . 3Fe(S) + 4H2O(g) ⇌ Fe3O4(s) + 4H2(g). The equilibrium constant, K, of the reaction above is represented as
AA
BB
CC
DD
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Question 425
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In the graph above, the activation energy of the catalyzed reaction is
A100KJ
B300KJ
C250KJ
D200KJ
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Question 426
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From the diagram above, an ideal gas is represented by
AZ
BW
CX
DY
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Question 427
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An organic compound contains 60% carbon, 13.3% hydrogen and 26.7% oxygen. Calculate the empirical formula rn(C=12,H =1, O=16)
AC 5H 12O
BC 3H 8O
CC 6H 13O 2
DC 4H 9O
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Question 428
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Which of the following fraction is used as raw material for the cracking process?
Akerosine
Blubricating oil
Cbitumen
Ddiesel oils
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Question 429
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A primary amide is generally represented by the formula
ARCOOR
BRCONH 2
CRCONHR
DRCONR 2
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Question 430
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The decarboxylation of ethanoic acid will produce carbon (IV)oxide and
Amethane
Bethane
Cpropane
Dbutane
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Question 431
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The reaction between ammonia and ethyl ethanoate produces
Apropanol and ethanamide
Bpropanol and propanamide
Cethanol and propanamide
Dethanol and ethanamide
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Question 432
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2- methylpropan-2-ol is an example of a
Adihydric alkanol
Btertiary alkanol
Csecondary alkanol
Dprimary alkanol
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Question 433
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Aluminium containers are frequently used to transport trioxonitrate (V) acid because aluminium
Ahas a silvery-white appearance
Bhas a low density
Cdoes not react with the acid
Ddoes not corrode
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Question 434
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The coloured nature of transition metal ions are associated with their partially filled
Af- orbital
Bs- orbital
Cp-orbital
Dd-orbital
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Question 435
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Copper is displaced from the solution of its salts by most metals because it
Ais a transition element
Bis at the bottom of the activity series
Cis very reactive
Dhas completely filled 3d-orbitals
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Question 436
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A metal that forms soluble trioxosulphate (IV) ion is
Abarium
Bpotassium
Cmanganese
Daluminium
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Question 437
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Sulphur (IV)oxide is a strong reducing agent in the presence of water due to the formation of
Ahydroxide ion
Bsulpgur (Vl)oxide
Chydrogen sulhide
Dtrioxosulphate (IV) salt
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Question 438
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Which of the gases is employed as an anaesthesia?
AN 2O
BNO2
CNH3
DNO
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Question 439
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In the laboratory preparation of ammonia, the flask is placed in a slanting position so as to
Aprevent condensed water from breaking the reaction flask
Benable the proper mixing of the reactions in the flask
Cenhance the speed of the reaction
Dprevent formation of precipitate
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Question 440
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Which of the following compounds is a neutral oxide?
