Explanation

(a) IUPAC name of Fe\(_2\)(SO\(_4\))\(_3\) is iron (iii) tetraoxosulphate (VI)

(b)(i) Equation of reaction of H\(_2\)S and FeC\(_3\) is 2FeCI\(_3\) + H\(_2\)S \(\to\) 2FeCl\(_2\) + 2HCI + S.

(ii) Changes observed. Brown solution changes to green and yellow deposit is formed.

Correct Answer: D. relative tendencies of oxidation

Correct Answer: A. too many luggage

Explanation

The correct option is C. a lot of luggage.

• Luggage is an uncountable (mass) noun, which means it cannot be pluralized (making luggages in options B and D incorrect).

• Because it is uncountable, it takes quantifiers like *much*, *a lot of*, or *plenty of*, rather than *many* (making option A incorrect).

Therefore, a lot of luggage is the only grammatically correct choice.

Correct Answer: A) Troas

Explanation

This question is asking about an incident that happened in the Bible when a man named Eutychus fell from the third storey to the ground while Paul was preaching. The question asks in which city did this happen and provides four options to choose from: Troas, Ephesus, Miletus, and Corinth.

The correct answer is option A, Troas. This incident is recorded in the book of Acts chapter 20, where Paul was preaching in an upper room in Troas. Eutychus, who was sitting in a window, fell asleep and fell out of the window when Paul's preaching went on late into the night.

This incident highlights the importance of being alert and attentive while listening to the word of God. It also shows the power of God and how He can bring life back to the dead, as Eutychus was raised back to life by Paul after his fall.

In Christian Religious Knowledge, it is important to learn about the stories and teachings in the Bible, as they provide guidance and wisdom for living a righteous life. The story of Eutychus falling from the third storey is just one of many such stories that can be found in the Bible.

To learn more about the teachings and stories in the Bible, it is recommended to read the Bible itself and study it with the guidance of a knowledgeable teacher or pastor.

Correct Answer: D. a decrease in equilibrium price and increase in equilibrium quantity

Correct Answer: B. biology

Explanation

a. An economic system refers to the structure and organization of production, distribution, and consumption of goods and services within a society.

bi.

In a capitalist economy, the primary aim of production is to generate profit. Private individuals and businesses own and control the means of production, such as factories and businesses, and their main objective is to maximize their profits and wealth accumulation.

In a socialist economy, the aim of production is often centered around meeting the needs of society as a whole. The state or collective ownership controls the means of production, and the focus is on providing goods and services that benefit the entire population rather than solely pursuing individual profits.

bii.

In a capitalist economy, consumer sovereignty is a fundamental principle. Consumers have the freedom to choose and influence what goods and services are produced through their purchasing decisions. Businesses respond to consumer demand and complete to attract customers by offering products and services that cater to their preferences.

In a socialist economy, consumer sovereignty is typically more limited. The state or central planning authority often determines the production and distribution of goods and services based on collective interests and social priorities. While consumers still have access to goods and services, their choices may be constrained or influenced by the state's decision-making processes.

biii.

In a capitalist economy, competition plays a crucial role. Multiple private individuals and businesses operate within the market, striving to gain a competitive edge and maximize their profits. Competition fosters innovation, efficiency, and productivity, as businesses seek to attract customers and outperform their lives.

In a socialist economy, competition is less prevalent in a socialist economy, particularly in sectors where state ownership and central planning dominate. The priority is on cooperation and collective goals rather than competition among businesses. Some socialist economies may still allow limited competition in certain areas to spur innovation and efficiency.

c.

- land is fixed in supply

- Land is immobile

- land is heterogenous in nature

- land is subject to diminishing returns

- Land has no cost of production

Correct Answer: B. families

Correct Answer: C. fell out

Explanation

The correct option is C. fell out.

• Made it up means to reconcile, forgive each other, and become friendly again after an argument.

• Fell out means to have an argument and stop being friendly with someone, which is the direct opposite in meaning.

*(Note: Reconciled is a synonym, not an antonym).*

Correct Answer: C. adding the natural increase to the migration