*GOOD MORNING TO YOU ALL AND WELCOME TO THE JAMB TUTORIAL CLASSES 2019 CBT TUTORIALS CLASSES* *MR.CEO WILL BE WORKING HAND IN HAND WITH YOU ALL TO FOR A BETTER scores in your Jamb ... Your success is my major target..* *WE SEEK FOR YOUR MAXIMUM SUPPORT, CORPORATION, DEDICATION* *I AM VERY BUSY NOW WITH WACE GCE CANDIDATE ...* . *SO I NEED ALL YOUR SUPPORT.* *TIMETABLE WILL BE RELEASE FOR OUR DAILY CLASSES ..* . *I HOPE YOU GAIN WHAT YOU ARE HERE FOR...* *GOOD LUCK. MR.CEO*
*JAMB 2018 CHEMISTRY*
*MR.CEO SOLUTION CREW 💯 💯 💯 WE MAKE THINGS HAPPEN*...
*JAMB 2017 WAS COOL LIKEWISE 2018 BUT NOT NOT ALL PEOPLE HAVE THE ACCESS TO IT THAT IS WHY SOME PEOPLE WAS SCAM.... NOW ITS 2019 AND IS GOING TO BE HOT 🔥 🔥 🔥 🔥 🔥*
*JAMB 2019 CBT DIRECT SOURCE IS NOW AVAILABLE KINDLY MESSAGE ME NOW FOR BOTH TEACHERS, DEALERS AND CANDIDATES*
*SOME PEOPLE SAID ITS FAKE MY BROTHERS AND SISTERS I DISAGREE 👎 WITH YOU, COME TO THE RIGHT PERSON TODAY*
*WHATSAPP 08138704772*
QUESTIONS TODAY.
1 :- the element with an electron configuration 1s2 2s2 2p6 3s23p64s2
CORRECT ANSWER =
a noble gas
2 :- ethanoic acid is monobasic because its
CORRECT ANSWER =
has one replaceable hydrogen molecule
3 :- the type of bond in nitrogen molecule is
CORRECT ANSWER =
covalent
4 :- in the hydrogenation of benzene, the catalyst used is
CORRECT ANSWER =
Ni
5 :- the acid found in sour milk is
CORRECT ANSWER =
lactic acid
6 :- transition metals with higher oxidation state will form oxides that are
CORRECT ANSWER =
basic
7 :- the iupac nomenclature of the compound above is
CORRECT ANSWER =
pent-2-yne
8 :- in the diagram above X is
CORRECT ANSWER =
H2
9 :- if 200cm3 of oxygen passes through a porous plug in 100sec.find the time taken for the same volume of hydrogen to pass through the same porous plug
CORRECT ANSWER =
25
10 :- the method used in purifying sugar is
CORRECT ANSWER =
crystallization
11 :- the activation energy of a chemical reaction can be lowered by
CORRECT ANSWER =
the addition of a catalyst
12 :- in the equation above X is
CORRECT ANSWER =
CH3COOCH2CH3
13 :- a solubility curve is a plot of the solubility of solute against
CORRECT ANSWER =
TEMPERATURE
14 :- the method that is not economical for the removal of hardness in water for town supply is
CORRECT ANSWER =
permutit
15 :- in the electrolytic extraction of sodium from fused sodium chloride calcium chloride is usually added to
CORRECT ANSWER =
remove impurities
16 :- grades of petrol having octane number nearer zero will cause a motor car engine to ‘
CORRECT ANSWER =
17 :- nickel is plated on steel to
CORRECT ANSWER =
increase its strength
18 :- the solubility in mol/dm3 of 20.2g of potassium trioxonitrate(V)dissolved in 100g of water at room temperature is
CORRECT ANSWER =
2
19 :- what is the atomic number of an element having 127 neutrons and 82 electrons
CORRECT ANSWER =
82
20 :- 28.80CM3 OF NITROGEN AT 15c is cooled to 0C.its volue ar constant pressure is
CORRECT ANSWER =
27.3
21 :- what physical property of alkane decreases as the number of carbon atoms increases
CORRECT ANSWER =
solubility
22 :- which of the following substances are made by polymeriztion
CORRECT ANSWER =
nylon and artificial rubber
23 :- which of the following compounds is unsaturated
CORRECT ANSWER =
methylbenzene
24 :- a compound contains 31.9% potassium 28.93 chlorine and the remaining oxygen.what is the chemical formula of the compound?\
CORRECT ANSWER =
KClO2
25 :- the use of neon light in aerodome beacons is due to its
CORRECT ANSWER =
COLOUR
26 :- K4Fe(CN)6 is an example of a
CORRECT ANSWER =
complex
27 :- if T change in s is small relative to change in H at room temperature the value of change in G will be
CORRECT ANSWER =
positive
28 :- the solibility of alkanols in water is due to the presence of
CORRECT ANSWER =
hydroxyl group
29 :- when lubricating oil is redistilled,it yields
CORRECT ANSWER =
petroleum jelly
30 :- the iupac nomenclature of K2Cr2O7 SI
CORRECT ANSWER =
potassium heptaoxochromate(VI)
31 :- ALKYNES BURN WITH SMOKY LUMINOUS FLAME DUE TO HIGH
CORRECT ANSWER =
carbon content
32 :- ozone is known for its ability to
CORRECT ANSWER =
attack the respiratory tract of organisms
33 :- which of the following properties is peculiar to graphite?
CORRECT ANSWER =
it is unreactive
34 :- calculate the amount in moles of zinc that will be deposited by passing 10 faradays of elctricity through a solution of zinc salt
CORRECT ANSWER =
5
35 :- the air pollutant that dissolves in water due to produce acid rain is
CORRECT ANSWER =
O3
36 :- the property pecuiliar to pure oxygen is that it
CORRECT ANSWER =
is lighter than air
37 :- the principal property that determines the method of an extraction of a metal from its oe is its
CORRECT ANSWER =
position in the activity series
38 :- when water is added to calcium oxide,it forms
CORRECT ANSWER =
calcium hydroxide
39 :- in the reaction above, the reverse reaction can be favored by
CORRECT ANSWER =
decreases the temperature
40 :- an element with electron configuration 1s2 2s2 2p6 3s2 3p4 belongs to the
CORRECT ANSWER =
p-block
*JAMB 2019 CBT SOURCE ✔ ✔ ✔ ✔ ✔ KINDLY MESSAGE ME NOW 👆 💯 💯 💯 NO DISAPPOINTMENT*BY MR.CEO SOLUTION CREW*
*MR.CEO SOLUTION CREW 💯 💯 💯 WE MAKE THINGS HAPPEN*...
*JAMB 2017 WAS COOL LIKEWISE 2018 BUT NOT NOT ALL PEOPLE HAVE THE ACCESS TO IT THAT IS WHY SOME PEOPLE WAS SCAM.... NOW ITS 2019 AND IS GOING TO BE HOT 🔥 🔥 🔥 🔥 🔥*
*JAMB 2019 CBT DIRECT SOURCE IS NOW AVAILABLE KINDLY MESSAGE ME NOW FOR BOTH TEACHERS, DEALERS AND CANDIDATES*
*SOME PEOPLE SAID ITS FAKE MY BROTHERS AND SISTERS I DISAGREE 👎 WITH YOU, COME TO THE RIGHT PERSON TODAY*
*WHATSAPP 08138704772*
QUESTIONS TODAY.
1 :- the element with an electron configuration 1s2 2s2 2p6 3s23p64s2
CORRECT ANSWER =
a noble gas
2 :- ethanoic acid is monobasic because its
CORRECT ANSWER =
has one replaceable hydrogen molecule
3 :- the type of bond in nitrogen molecule is
CORRECT ANSWER =
covalent
4 :- in the hydrogenation of benzene, the catalyst used is
CORRECT ANSWER =
Ni
5 :- the acid found in sour milk is
CORRECT ANSWER =
lactic acid
6 :- transition metals with higher oxidation state will form oxides that are
CORRECT ANSWER =
basic
7 :- the iupac nomenclature of the compound above is
CORRECT ANSWER =
pent-2-yne
8 :- in the diagram above X is
CORRECT ANSWER =
H2
9 :- if 200cm3 of oxygen passes through a porous plug in 100sec.find the time taken for the same volume of hydrogen to pass through the same porous plug
CORRECT ANSWER =
25
10 :- the method used in purifying sugar is
CORRECT ANSWER =
crystallization
11 :- the activation energy of a chemical reaction can be lowered by
CORRECT ANSWER =
the addition of a catalyst
12 :- in the equation above X is
CORRECT ANSWER =
CH3COOCH2CH3
13 :- a solubility curve is a plot of the solubility of solute against
CORRECT ANSWER =
TEMPERATURE
14 :- the method that is not economical for the removal of hardness in water for town supply is
CORRECT ANSWER =
permutit
15 :- in the electrolytic extraction of sodium from fused sodium chloride calcium chloride is usually added to
CORRECT ANSWER =
remove impurities
16 :- grades of petrol having octane number nearer zero will cause a motor car engine to ‘
CORRECT ANSWER =
17 :- nickel is plated on steel to
CORRECT ANSWER =
increase its strength
18 :- the solubility in mol/dm3 of 20.2g of potassium trioxonitrate(V)dissolved in 100g of water at room temperature is
CORRECT ANSWER =
2
19 :- what is the atomic number of an element having 127 neutrons and 82 electrons
CORRECT ANSWER =
82
20 :- 28.80CM3 OF NITROGEN AT 15c is cooled to 0C.its volue ar constant pressure is
CORRECT ANSWER =
27.3
21 :- what physical property of alkane decreases as the number of carbon atoms increases
CORRECT ANSWER =
solubility
22 :- which of the following substances are made by polymeriztion
CORRECT ANSWER =
nylon and artificial rubber
23 :- which of the following compounds is unsaturated
CORRECT ANSWER =
methylbenzene
24 :- a compound contains 31.9% potassium 28.93 chlorine and the remaining oxygen.what is the chemical formula of the compound?\
CORRECT ANSWER =
KClO2
25 :- the use of neon light in aerodome beacons is due to its
CORRECT ANSWER =
COLOUR
26 :- K4Fe(CN)6 is an example of a
CORRECT ANSWER =
complex
27 :- if T change in s is small relative to change in H at room temperature the value of change in G will be
CORRECT ANSWER =
positive
28 :- the solibility of alkanols in water is due to the presence of
CORRECT ANSWER =
hydroxyl group
29 :- when lubricating oil is redistilled,it yields
CORRECT ANSWER =
petroleum jelly
30 :- the iupac nomenclature of K2Cr2O7 SI
CORRECT ANSWER =
potassium heptaoxochromate(VI)
31 :- ALKYNES BURN WITH SMOKY LUMINOUS FLAME DUE TO HIGH
CORRECT ANSWER =
carbon content
32 :- ozone is known for its ability to
CORRECT ANSWER =
attack the respiratory tract of organisms
33 :- which of the following properties is peculiar to graphite?
CORRECT ANSWER =
it is unreactive
34 :- calculate the amount in moles of zinc that will be deposited by passing 10 faradays of elctricity through a solution of zinc salt
CORRECT ANSWER =
5
35 :- the air pollutant that dissolves in water due to produce acid rain is
CORRECT ANSWER =
O3
36 :- the property pecuiliar to pure oxygen is that it
CORRECT ANSWER =
is lighter than air
37 :- the principal property that determines the method of an extraction of a metal from its oe is its
CORRECT ANSWER =
position in the activity series
38 :- when water is added to calcium oxide,it forms
CORRECT ANSWER =
calcium hydroxide
39 :- in the reaction above, the reverse reaction can be favored by
CORRECT ANSWER =
decreases the temperature
40 :- an element with electron configuration 1s2 2s2 2p6 3s2 3p4 belongs to the
CORRECT ANSWER =
p-block
*JAMB 2019 CBT SOURCE ✔ ✔ ✔ ✔ ✔ KINDLY MESSAGE ME NOW 👆 💯 💯 💯 NO DISAPPOINTMENT*BY MR.CEO SOLUTION CREW*
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