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Neco Gce 2019 Chemistry/Commerce Obj And Essay Answers - Nov/Dec Expo Runs
Views: 1105  |  Comments: 0 |  Posted: 11:55 Mon, 02 Dec 2019
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Posted on: 11:55 Mon, 02 Dec 2019




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Exam Time:- Tuesday 3rd Dec. 2019

Commerce Paper III & II (Objective & Essay) – 2.00 pm – 4.40 pm

Chemistry Paper III & II (Objective & Essay) – 2.00 pm – 5.00 pm
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COMMERCE OBJ:-
1-10: CCBBCCBDEC
11-20: ADDBDAACDD
21-30: AAADEABCAA
31-40: BBEDDABAEE
41-50: BBACACACBC
51-60: DECCCDABCA
=•=•=•=•=•=•=•=•=•=•=

COMMERCE ANSWERS:
(1a)
e-commerce is refers to the buying and selling of goods or services using the internet, and the transfer of money and data to execute these transactions.

(1b)
(i) Lower Costs
(ii) Eliminate Travel Time and Cost
(iii) Provide Comparison Shopping
(iv) Provide Abundant Information

(i) Lower Costs: One of the most tangible positives of e-commerce is the lowered cost. A part of these lowered costs could be passed on to customers in the form of discounted prices

(ii) Eliminate Travel Time and Cost: It is not unusual for customers to travel long distances to reach their preferred physical store. E-commerce allows them to visit the same store virtually, with just a few mouse clicks

(iii) Provide Comparison Shopping: E-commerce facilitates comparison shopping. There are several online services that allow customers to browse multiple e-commerce merchants and find the best prices.

(iv) Provide Abundant Information: the amount of information that can be displayed in a physical store. It is difficult to equip employees to respond to customers who require information across product lines

================================

(2a)
(i) Authority of Heads of State and Government.
(ii) The Council of Ministers
(iii) The Community Tribunal
(iv) Community Court of Justice

(2b)
(i) To promote cooperation among members.
(ii) Abolition of trade restrictions and Customs Duties
(iii) To maintain and enhance economic stability among it members.
(iv) Harmonization of Agricultural, Economic, Monetary and Industrial Policies
(v) Foster relations among Member States
(vi) Contribute to the progress of members state.
(vii) Integration of members state
(viii) Harmonization of Agricultural, Economic, Monetary and Industrial Policies.

=============================

(4a)
Discount House: This is a firm that buys, sells, discounts, and negotiates bills of exchange or promissory notes. This is generally performed on a large scale with transactions that also include government bonds and Treasury bills.

(4b)
Franchising: This is a continuing relationship in which a franchisor provides a licensed privilege to the franchisee to do business and offers assistance in organizing, training, merchandising, marketing and managing in return for a monetary consideration. The franchisee usually pays a one-time franchise fee plus a percentage of sales revenue as royalty, and gains immediate name recognition.

(4c)
Kiosk: This is a small, stand-alone booth typically placed in high-traffic areas for business purposes. It is is used to vend merchandise (such as newspapers) or services (such as film developing) and also serves as a refreshment stand

(4d)
Mobile shop: This is a large vehicle that travels from place to place and from which goods are sold. It is a store operated from a truck, a van or large vehicle.

(4e)
Variety store: This is a retail store that sells a wide range of inexpensive household goods. Variety stores often have product lines including food and drink, personal hygiene products.

========================

(9a)
Market segmentation is the activity of dividing a broad consumer or business market, normally consisting of existing and potential customers, into sub-groups of consumers based on some type of shared characteristics

(9b)
(i)Product
(ii)Price
(iii)Place
(iv)promotion.

(i)Product; This is what you are offering to the market. It is a very important part of the marketing mix as it is what you will use to attract the customers. When developing a product, it is imperative that you come up with a product that solves a certain problem for your target market.

(ii)Price; There are quite a number of factors that go into determining the price of a product including the operation costs and distribution costs incurred while availing the product to the market. One very important factor that you should never forget though is your target market.

(iii)Place; Place is a very important factor in the marketing mix. Marketing is all about getting customers for your product. It is thus imperative that you reach out to these customers. To do so, you have to get to where they are.

(iv)Promoting; the product is all about selling your idea to the customer; showing your customer how the product will be of benefit to them and that it will be good value for their money.


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CHEMISTRY OBJ:-
1-10: ACDBABDEBB
11-20: ADCCCCBEBA
21-30: DDDCCCDCAB
31-40: CBCCDEBBAC
41-50: EABDDBABDC
51-60: EBABCDEDEB
=•=•=•=•=•=•=•=•=•=•=

CHEMISTRY ANSWERS:
(2ai)
(i) Photosynthesis
(ii) Respiration in plant

(2aii)
(i) Industrial effluent
(ii) Laboratory effluent

(2aiii)
5 electrons

(2bi)
(i) Pig iron
(ii) Cast iron
(iii) Wrought iron

(2bii)
(i) Susceptibility to individual exposure to toxic chemicals
(ii) Irritation of some body parts when toxic gases are inhaled

(2ci)
A - Sulphur
B - Magnesium
C - Oxygen
D - Chlorine

(2cii)
The type of bond between B and D is ionic bond

(2ciii)
Electronic configuration of C using Spdf notation
Oxygen = 1s²2s²2p⁴

(2civ)
(i) Their hardness increases with increasing ionic charge
(ii) They have high melting and boiling points

(2di)

(2dii)
(i) The valency of mercury is +2
(ii) The valency of lead in PbO2 is +4

========================================

(3ai)
(i) Physical change
(ii) Chemical change.
(iii) Physical change.

(3aii)
The periodic law states that atomic mass of element is s periodic function of their chemical properties.

(3aiii)
(i) Elements within the same group have the same chemical properties.
(ii) Elements change gradually from metal to non-metals across the period.
(iii) The arrangement of elements in a horizontal form is called period while the vertical arrangement is called group

(3aiv)
(i) Calciumchloridehypochloridte CaCl(OCl)
(ii) Calcium hypochlorite Ca(OCl)â‚‚
(iii) Calcium chloride CaClâ‚‚

(3bi)
Avogadro's law states that equal volumes of gases at the same temperature and pressure contain equal number of molecules.

(3bii)
0.25mole of Argon = 15cm³
Mass of one mole of Argon = 40g
40g = 1 mole
Xg = 0.25 = 10g
Hence 10g of Argon = 15cm³
10g of Neon = 10/20 = 1/2 = 0.5mol will contain 2 × 15cm³ = 30cm³ of gas

(3ci)
Fermentation is the breakdown of substance by bacteria, yeasts or microorganisms typically involving effervescence and the evolution of heat.

(3cii)
H H
\ /
C=C + Hâ‚‚O
/ \
H H

H H
| |
<=> C-C-OH
| |
H H

<=> Câ‚‚Hâ‚„ + Hâ‚‚O <=> Câ‚‚Hâ‚…

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