Cambridge International AS & A Level

Cambridge International AS & A Level

4 UCS 2021 970122M21 2 The strength of interaction between particles determines whether the substance is a solid, liquid or gas at room temperature. (a) Lithium sulfide, Li 2 S, is a crystalline solid with a melting point of 938°C. It conducts electricity when it is molten. (i) Give the formulae of the particles present in solid lithium sulfide. [1]

Cambridge International AS & A Level

D Railway fares can be taxed to raise money for the government only if railways are privatised. 17 Which tax is levied on a stock of wealth rather than a flow of income? A company profits tax ... C an appreciation of the exchange rate D an increase in government debt 28

  Appreciation, Fare

Cambridge International AS & A Level

3 A ball is fired horizontally with a speed of 41.0 m s–1 from a stationary cannon at the top of a hill. The ball lands on horizontal ground that is a vertical distance of 57 m below the cannon, as shown in Fig. 3.1. path of ball horizontal ground cannon 57 m ball, initial speed 41.0 m s–1 Fig. 3.1 (not to scale) Assume air resistance is ...

  Cannon

Cambridge International AS & A Level

unified atomic mass unit 1 u –27= 1.66 × 10 kg rest mass of electron m e = 9.11 × 10 –31 kg rest mass of proton m p = 1.67 × 10 –27 kg molar gas constant R = 8.31 J K –1 mol ... 7 A cannon fires a cannonball with an initial speed v at an angle α to the horizontal. H v

  Atomic, Cannon

Cambridge International AS & A Level

6 UCLES 2021 970142M21 (b) Heating of FeO results in the formation of Fe 3 O 4, as shown. reaction 1 4FeO → Fe + Fe 3 O 4 Each formula unit of Fe 3 O 4 contains one Fe2+ and two Fe3+ ions. (i) Show how reaction 1 can be described as a disproportionation reaction. [1] Fe 3 O 4(l) can be electrolysed using inert electrodes to form Fe. (ii) Write the half-equation for the …

Cambridge International AS & A Level

M2 (two) different groups on each C atom in the C=C / end of the C=C double bond M3 no / restricted rotation about C=C 3 3(d)(ii) H2 / hydrogen 1 3(d)(iii) M1 / M2 absorptions seen in both spectra (any two): (same) both show an absorption at 1680–1730 (cm–1) because of C=O

  Absorption, Mato

Cambridge International AS & A Level

2(f) fertiliser 1 Question Answer Marks 3(a) hydrolysis 1 3(b) M1 both have molecular formula - C6H12O6 M2 idea that in glucose and fructose there are the same number and type of atoms present but the atoms are arranged in a different order ie one has a carbonyl group at the end of the chain/molecule and the other has a carbonyl group in the

  Fertiliser

Cambridge International AS & A Level

14 In a high-wire circus act, a man of mass 85 kg is standing at rest at the midpoint of the wire. 20° 20° T T The wire on either side of the man is at an angle of 20 to the horizontal. What is the tension T in the wire? A 0.44 kN B 0.89 kN C 1.2 kN D 2.4 kN 15 A cylindrical block of ice of cross-sectional area 12 m

  High

Cambridge International AS & A Level

4 Originally, chemists thought indium oxide had the formula InO. By experiment they showed that 4.8 g of indium combined with 1.0 g of oxygen to produce 5.8 g of indium oxide. The Ar of oxygen was known to be 16. Which value for the Ar of indium is calculated using these data? A 38 B 77 C 115 D 154

  Experiment, Oxide

Cambridge International AS & A Level

5 LS 2020 970122N20 [Turn over (e) Aluminium oxide, Al 2 O 3, reacts separately with both acids and alkalis. (i) Write an equation for the reaction of aluminium oxide with excess aqueous hydrochloric acid. [1] (ii) Write an equation for the reaction of aluminium oxide with excess aqueous sodium hydroxide. [1] (f) Describe the lattice structure of silicon(IV) oxide.

Global Marketing (International Marketing)

business to the market and stimulates trading within the market. 1.4 International marketing International marketing is the export, franchising, joint venture or full direct entry ... with sugar, one with corn syrup) for all markets. The product packaging in every

  International, Market, Sugar

Global Market Report: Bananas

suited to international trade than other varieties since it is more resistant to physical shocks in transport. Indeed, ... containing refined sugar.4,16 Despite the predicted increase in demand, the banana ... factor affecting market prices is the move in recent

  International, Report, Global, Market, Sugar, Global market report

A Beginners’ Guide to Commodity Market

Pepper, Jeera, Turmeric, Chilli , Sugar . Bear Market (Bear/Bearish) A market in which prices are declining. A market participant who believes prices will move lower is called a “bear.”A news item is considered bearish if it is expected to result in lower prices.

  Market, Sugar

THE EUROPEAN UNION MARKET FOR SUSTAINABLE …

suppliers to improve their understanding and share of this growing market. Citation: International Trade Centre (2019). The European Union Market for Sustainable Products. The retail perspective on sourcing policies and consumer demand. ITC, Geneva. For more information, contact: Regina Taimasova (taimasova@intracen.org).

  International, Market

The Business Case for Sustainability

The SRI market has grown at an annual rate of 22 percent since 2003. By 2015, SRI assets under management will reach $26.5 trillion or 15 percent of the global total. In 2011, SRIs attracted ... play an important role in growing the sugar that is used in Coca-Cola products. In the case of Zambia, sugarcane

  Market, Sugar

Sugar Dashboard - European Commission

EU and World market prices EU market prices for white sugar B e k e s e Import TRQs: WTO - Balkan - Import TRQs: Moldova - Central America - Ukraine EU Sugar Exports by marketing years EU Sugar net trade by marketing years EU Sugar stocks by marketing years EU Sugar Imports by marketing years and by main origins 417 100 200 300 400 500 600 700

  European commission, European, Commission, Market, Sugar

Sugar Production and Trade Rebound in Mexico

well as domestic and international prices. As a result, prices for Mexico’s sugar are among the highest in the world. Sugar exports are forec ast at 1.9 million tons, 53 percent higher than the previous year on greater production, although the composition of exports will depend heavily on U.S. sugar requirements as

  International, Sugar

F&B Report Malaysia 2020 - Flanders Investment and Trade

F&B distribution market is highly fragmented due to a large number of similar products and players in the market. The channel of distribution includes small-scale retailers (e.g. hawker, convenience store, peddler and market stall), large -scale retailers (e.g. department store, supermarket, hypermarket and

  Market