₦airaland Forum

Brian10:
B E B B

3/4

Princecalm:
B A D A

1/4

Fabzgrace:
BEDB

3/4

Osamuyipeace:
BEEB

4/4

Osamuyipeace:
Explain ur question 2 and answer

Fe2O3 is formed wen heated in air

Na2O2 is formed when sodium is heated in excess air. but Na2O is formed in limited supply of air...(you.know air can't be in limited supply unless substance to be heated is caged)



I guess I'm still feeling sleepy.

Next
Question No:1151
Which of the following is used in the manufacture of bleaching powder?

A. Sulphur dioxide
B. Chlorine
C. Hydrogen tetraoxosulphate (VI)
D. Hydrogen sulphide
E. Nitrogen dioxide


A man suspected of being drunk is made to pass his breath into acidified potassium dichlormate solution. If his breath carries a significant level of ethanol, the final colour of the solution is?

A. pink
B. purple
C. orange
D. blue-black
E. green


Which of the following substances is the most abundant in the universe?

A. Carbon
B. Air
C. Water
D. Oxygen
E. Hydrogen

View Explanation
Question No:1160
A colourless organic compound X was burnt in excess air to give two colourless and odourless gases, Y and Z, as products. X does not decolorize blue bromine vapour, Y turns lime milky while Z gives a blue colour with copper (ll) tetraoxosulphate (IV).
Compound X is?

A. an alkene
B. an alkane
C. an alkyne
D. tetrachloromethane
E. dichloromethane

Osamuyipeace:
DDC

2/3

[quote author=DoctorAB post=35458191][/quote]1/3

Ijehk7:
a,b,c

2/3

Pukka36:
DBC

3/3

A colourless organic compound X was burnt in excess air to give two colourless and odourless gases, Y and Z, as products. X does not decolorize blue bromine vapour, Y turns lime milky while Z gives a blue colour with copper (ll) tetraoxosulphate (IV).
Y and Z are respectively?

A. CO2 and NH3
B. CO and NH3
C. SO2 and H2O
D. CO2 and H2O
E. SO2 and NH3

View Explanation
Question No:1162
Which of the following compounds is NOT the correct product formed when the parent metals heated in air?

A. Calcium oxide (CaO)
B. Sodium oxide (Na2O)
C. Copper (ll) oxide (CuO)
D. Tri-iron tetroxide (Fe3O4)
E. Aluminium oxide (Al2O3)


What two main products result from photosynthesis
A. Oxygen and carbon dioxide
B. Chlorophyll and oxygen
C. Carbohydrate and oxygen
D. Carbohydrate and carbon dioxde

Ada96:
our club...........ten yrs old today. (is/are)?

our club.................going to Ibadan tomorrow (is/are) ??

is
are

Osamuyipeace:
Which of the following gases can be collected by upward displacement of air?
A. NO B. H2 C. NH3 D. CL2


Which of the following is a fundamental unit
A. Newton B. Watt C. Joule D. Second

Zener Diode is used for
A. power amplication B. current amplication C. voltage regulation D. energy conversion


When an intrinsic semi conductor is heated, its resistance
A. increases B. decreases C. remains the same D. increases and then decreases

convert 241 in base 5 to base 8
A. 71 B. 107 C. 176 D. 241 (all in base 8 )
B

Copper (ii) tetraoxosulphate (vi) is widely used5. as a
A. fertilizer B. fungicide C. disinfectant D. purifier

1.D 2.D 3.C 4.B 6.B

RobinHez:
Jeez!
didnt u see when he scored 1/3

Nope...I didn't see it.

Brian10:
Was

Are

Disagree


Cc: RobinHez

seconded!

RobinHez:
u mean, no one noticed my question up there?

I got one funny equation as my ans...I don't do math bro.

medwhite0:
Residual gas=> 25cm3 of oxygen.
h20 gas condense to H20 water at 25°C

Correct!

50cm3 of hydrogen were sparked with 50cm3 of oxygen at 100°c and 1atm pressure. What is the volume of the residual gas at 25°c and 1atm pressure?

Osamuyipeace:
( The clubs were not ---- on a solid ethical base.
A funded
B found
C created
D founded

(9) I watched him, as he... the hole.
A dug
B digs
C is digging
D dugged


(10) His father hardly misses the news because he
goes about with his ... radio.
A pointable
B pottab1e
C potable
D portable

DAD

Pukka36:
BCCAC..

Cc:McHenry

3/5
corrections.
ACCBC

Double fertilization is a unique feature of

A. angiosperms


B. bryophytes


C. pteridophytes


D. algae



View Explanation

Question No:512

Which of the following phyla have members with both internal and external segmentation?

A. Platyhelminthes


B. Nematoda


C. Annelida


D. Mollusca



View Explanation

Question No:513

Mineral salts can be absorbed into the roots by

A. osmosis only


B. osmosis and diffusion


C. diffusion and active transport


D. imbibition only



View Explanation

Question No:514

Which of the following is a common characteristic of crustaceans?

A. Possession of a pair of antennae


B. Possession of two pairs of antennae


C. Each segmented has a pair of walking legs


D. Four pairs walking on the cephalothorax



View Explanation

Question No:515

The pedipalpi in spiders are used for

A. grasping


B. walking


C. feeling


D. web spinning

Pukka36:
DCBC!


Cc:McHenry

Little late...marked already.

Brian10:
D C B C

4/4

Osamuyipeace:
DDBC

3/4

medwhite0:
cc mchenry99



DCBC

4/4

killercute16:
D,E,B,C

3/4

English Language
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Next
Question No:506
From the alternative provided in the question below select the one which is most appropriately completes the sentence:
Omeime was taking his dog for a walk when the dog suddenly .... from its chain and escaped

A. broke through
B. broke lose
C. broke even
D. broke loose
E. broke away

View Explanation
Question No:507
From the alternative provided in the question below select the one which is most appropriately completes the sentence:
I was still sleeping when the national news ... this morning

A. were broadcast
B. were broadcasted
C. was broadcast
D. was broadcasted
E. were being broadcasted

In the question below choose the option nearest in meaning to the underlined word or phrase:
Kelechi hardly ever falls sick

A. most often
B. very seldom
C. sometimes
D. frequently
E. occasionally

View Explanation
Question No:528
In the question below choose the option nearest in meaning to the underlined word or phrase:
The gallant soldiers met their Waterloo at Philippi

A. victory
B. trouble
C. defeat
D. happiest period
E. enemy

Pukka36:
BBAEC


CC:McHenry!

3/5

Brian10:
B A A E D

5/5

Osamuyipeace:
BAAED

5/5

Princecalm:
B A A E C

4/5

From the words or group of words labelled A to D, choose the one that best completes each of the following sentences.
It was he who said he didn't fear death...........?

A. didn't he


B. wasn't he


C. isn't he


D. wasn't it



View Explanation

Question No:3202

From the words or group of words labelled A to D, choose the one that best completes each of the following sentences.
He said he didn't fear death..........?

A. didn't he


B. wasn't it


C. doesn't he


D. was it



View Explanation

Question No:3203

From the words or group of words labelled A to D, choose the one that best completes each of the following sentences.
The government has a special programme for........

A. the poor


B. the poors


C. poor


D. poors



View Explanation

Question No:3204

From the words or group of words lettered A to E below each of the following sentences, choose the word or group of words that is nearest in meaning to the underlined word or group of words.
Climbing great heights terrifiesme

A. threatens


B. annoys


C. shooks


D. startles


E. frightens



View Explanation

Question No:3205

From the words or group of words lettered A to E below each of the following sentences, choose the word or group of words that is nearest in meaning to the underlined word or group of words.
Flight WT509 from Lagosterminates in Maiduguri

A. closes


B. concludes


C. lands


D. ends


E. ceases