Correct Answer: A. serves as lender of last resort

Correct Answer: C. Scum is precipitated when soap are used with hard water but not with detergent

Explanation

The correct answer is C. Scum is precipitated when soap are used with hard water but not with detergent.

Here's why:

• Soaps and Hard Water: Soaps are sodium or potassium salts of long-chain fatty acids. Hard water contains dissolved mineral ions, primarily calcium (Ca²⁺) and magnesium (Mg²⁺). When soap comes into contact with these ions, it forms insoluble calcium or magnesium salts, which we see as scum or soap curd. This scum doesn't lather, adheres to clothes making them dingy and stiff, and is difficult to rinse away.

• Detergents and Hard Water: Detergents are synthetic cleaning agents (like sodium alkyl sulfates or sulfonates). The calcium and magnesium salts formed when detergents react with hard water are soluble. This means they don't precipitate as scum, allowing the detergent to work effectively even in hard water, producing good lather and cleaning without leaving residues on clothes.

Let's look at why the other options are less accurate or incorrect:

• A. detergents are syntheticabile soaps are not: While detergents are synthetic and soaps are naturally derived, this fact alone doesn't explain *why* detergents are better for laundry. It's their chemical properties (specifically their interaction with hard water) that make them superior.

• B. Detergent are more soluble in water than soap: Both soaps and detergents are designed to be soluble in water. While there might be minor differences, it's not the primary reason for detergent's superiority in laundry. The key issue for soap is the *insoluble precipitates* it forms with hard water ions, not its initial solubility.

• D. Soaps are in bar while detergent are I powder form: Both soaps and detergents can come in various forms (bar, powder, liquid, flakes). The physical form is a matter of formulation and convenience, not the fundamental chemical reason why detergents are better for laundry.

Correct Answer: D. being hearer, not doers

Correct Answer: C. aiding and abetting corruption

Correct Answer: B. African leaders are not experienced enough

Correct Answer: A. Allahu Akbar

Correct Answer: C. amendment procedure

Explanation

(i) The Government had the power to veto the laws passed by the legislative council.

(ii) The Governor had the exclusive rights to reduce money bills.

(iii) As the president of the Legislative Council, the Governor had a casting vote. The casting vote was used when there was a tie of votes in The Council.

(iv) Power of certification; empowered Governor to enforce a bill that had been rejected by the legislative council.

(v) The legislative council was mainly controlled by the official majority and had no power of control.

(vi) The Secretary of State for Colonies had the power to approve drafted bills for the colonies.

(vii) Revision of laws passed by The Council was the sole responsibility of the Secretary of State for Colonies.

(viii) It was mandatory for the colonial territories to pass laws that were in line with the colonial law validity Act of 1865.

Correct Answer: B. Texture

Explanation

(a) Is a set of rules and sequential steps that define how a particular problem can be solved in a finite and ordered sequence

(b) (i) Input (ii) Output (ii) Effectiveness

BEGIN

(c) Step i: Let the sum of the six be X

Step ii: Input the sum of the six numbers X

Step iii: Average =X/6

Step iv: Print Average. END

OR BEGIN

Step 1: Let the sum of the six numbers = X

Step 2: Input the sum of the six numbers X

Step 3: Average X/6

Step 4: Print Average. END.