Correct Answer: B. faced a choice between two unpleasant alternatives

Correct Answer: C. (Cu(NH₃)₄)²⁺ ion

Explanation

When Copper (II) chloride solution is treated with excess aqueous ammonia, the following reactions occur:

1. Initial reaction (with a small amount of ammonia): Copper(II) ions react with ammonia and water to form a pale blue precipitate of copper(II) hydroxide.

Cu²⁺(aq) + 2NH₃(aq) + 2H₂O(l) → Cu(OH)₂(s) + 2NH₄⁺(aq)

2. Reaction with excess ammonia: The copper(II) hydroxide precipitate (or the Cu²⁺ ions directly) then reacts with excess ammonia to form a soluble, deep blue complex ion, the tetraamminecopper(II) ion.

Cu(OH)₂(s) + 4NH₃(aq) → [Cu(NH₃)₄]²⁺(aq) + 2OH⁻(aq)

(or directly from Cu²⁺: Cu²⁺(aq) + 4NH₃(aq) → [Cu(NH₃)₄]²⁺(aq))

The deep blue color is characteristic of the tetraamminecopper(II) ion, which has the formula [Cu(NH₃)₄]²⁺.

Let's look at the options:

A. (CuNH₄)³⁺ ion: This is not the correct formula for the complex.

B. (CuCl₄)²⁻ ion: This is a tetrachlorocuprate(II) ion, which is typically yellow or green, and formed with chloride ligands, not ammonia.

C. (Cu(NH₃)₄)²⁺ ion: This is the tetraamminecopper(II) ion, which is famously deep blue and formed when copper(II) solutions are treated with excess aqueous ammonia.

D. (Cu(OH)₄)²⁻ ion: This is a tetrahydroxocuprate(II) ion, which can form if copper(II) hydroxide is treated with a very strong base like concentrated NaOH, but not with aqueous ammonia to produce the deep blue color.

Therefore, the deep blue solution is due to the presence of the (Cu(NH₃)₄)²⁺ ion.

The final answer is C

Correct Answer: A. FIND B.

Correct Answer: D. the value of goods and services produced by Nigeria businesses abroad is greater than that of foreign businesses in Nigeria

Correct Answer: A. unlawful detention

Correct Answer: A. 133

Correct Answer: B. AB

Explanation

Blood donors with type O- (O negative) red blood cells are referred to as universal donors and their red blood cells can be given to any other blood type. Type AB-positive blood is called the universal recipient type because a person who has it can receive blood of any type.

Explanation

A. AMOS' ENCOUNTER WITH AMAZIAH (AMOS 7:10-17)

i. Amos was a shepherd in Judah whom God called to prophesy in Israel.

ii. He spoke against the social and religious malpractices of the Israelites of his day.

iii. Amaziah, the priest at Bethel, reported Amos to the king of Israel, Jeroboam l, accusing him of conspiracy and treason.

iv. According to Amaziah, Amos had prophesied that the king of Israel would go into exile.

v. Amaziah then met Amos who had told him that he was forbidden to speak against the king and the temple.

vi, Amaziah misconstrued Amos for one of the many false prophets of the time and called him a seer (a professional prophet who prophesies for a living).

vi. Amaziah commanded Amos to return to Judah, his home town to prophesy and earn a living there and never again at Bethel.

vii. This was because Bethel was the King's sanctuary and the temple of the kingdom.

ix. Amos disassociated himself from the wrong impression created about him by Amaziah.

x. He told Amaziah that the Lord called him to prophesy in Israel while he was tending his flock and dressing the sycamore trees.

xi. And for challenging him, Amos told Amaziah that his wife would become a harlot in the city and his sons shall fall by the sword and he Amaziah would die in exile.

B.WHY PEOPLE COMPLAIN ABOUT THE ACTIVITIES OF SOME MEN OF GOD

i. Use of occultic/magical powers.

ii. Commercialisation of the gospel/extortion.

iii. Discrimination against the p0or and underprivileged.

iv. Immorality/ immoral lives.

v. False doctrines.

vi. False prophecies/ not trustworthy.

vii. Lack of adequate education.

vii. Embezzlement/ misappropriation of funds.

ix. Over-emphasis on prosperity messages above salvation and redemption.

x. Political alignment.

xi. Display of wealth and opulence.

xi. Mismanagement of church resources.

xii. Abuse of power and position.

Correct Answer: D) Placenta

Explanation

The question is asking about the organ that allows for the diffusion of nourishment and oxygen into an embryo. The options given are amnion, chorion, umbilical cord, oviduct, and placenta. Out of these options, the correct answer is the placenta. The placenta is an organ that develops during pregnancy and connects the developing fetus to the mother's uterine wall. It allows for the exchange of nutrients, gases, and wastes between the mother and fetus. The amnion and chorion are membranes that surround and protect the developing embryo/fetus. The umbilical cord is a flexible cord that connects the fetus to the placenta. The oviduct is a tube through which the egg travels from the ovary to the uterus. It's important to note that the process of embryonic development is complex and involves the interaction of many different organs and systems. The placenta plays a crucial role in this process by providing the developing fetus with the necessary nutrients and oxygen to support growth and development. To learn more about this topic, please refer to your Biology textbook.

Explanation

(a)i.Independent Judiciary is the absolute freedom of the judiciary to administer justice without interference from any external body such as executive, legislature, civil societies.

ii.The militarywhich consist of the army, air-force and navy are empowered by the constitution to protect/defend the territorial integrity of a democratic state against internal insurrection and external aggression.

iii.Political partiesare organized group of people who have the same political opinion, interest and beliefs with the sole aim of contesting elections in other to gain political power and sustain the interest of the masses in a democratic state.

iv.Civil society organizations refers to non-profit and non-governmental organizations formed for the purpose of promoting and protecting the interest of the people as well as mobilizing them for participation in the governance and development of the society. V.Free and independent pressis the freedom of the media to act as watchdogs of democracy, highlighting democratic deficits, demanding accountability as well as informing, educating and entertaining people without undue censorship for the purpose of good governance in a democracy.

(b)i.Selfish interest of politicians ii. High premium/lucrative nature of politics in Nigeria iii. Nature and character of the Nigerian political class iv. Volatile political environment . v.Immunity law enjoyed by some politicians