Permanent hardness of water can be removed by?
filtration
adding slaked lime
adding caustic soda
boiling
Correct answer is C
- this hardness cannot be removed by boiling. We can remove this hardness by treating the water with washing soda, caustic soda and permutit
Abacha regime saw to the termination of ________
Ibrahim Babangida
Ernest Shonekan
Onukah Abigail
Murtala Muhammed
Correct answer is A
The General Sani Abacha who was the minister of Defense in the Babangida Administration. His coup of 1994 toppled the administration of Gen. Ibrahim Babangida. Chief Ernest Shonekan was just an interim president (Head of State).
A noble gas with a high power of fog penetration used in aerodrome beacons is?
krpton
argon
helium
neon
Correct answer is D
No explanation has been provided for this answer.
12D + 13T → 24He + 01n + energy
The reaction above illustrates?
alpha decay
artificial transmutation
nuclear fussion
nuclear fission
Correct answer is C
No explanation has been provided for this answer.
ECOWAS was found under whose leadership?
Olusegun Obasanjo
Yakubu Gowon
Aguyi Ironsi
Ibrahim Babangida
Correct answer is B
In Nigeria, Ecowas was founded under the leadership of Gen. Yakubu Gowon. It was officially formed by Yakubu Gowon and Gnasingbe Enyadema, the then President of Togo in 1975.