1. Liquid hydrogen2. Liquid nitrogen3. 1. Boron2. Carbon3. Oxygen4. 1. Copper2. Sodium3. Bromine4. 1. SO22. H2S3. NO24. 1. Ostwald process2. Frasch process3. 1. Which nonmetal is in liquid state ? 160ANS : Bromine is the nonmetal in liquid state. 2. Give an instance of a nonmetal which conducts heat and electricity. 160ANS : Graphite ( a type of carbon) conducts heat and electricity. 3. Why are nonmetals electronegative components ? 160ANS : Nonmetals are electronegative parts as a result of they settle for electrons and kind negatively charged ions. 4. Which kind of oxides do nonmetals kind ? 160ANS : Nonmetals type both acidic or impartial oxides. 5. Write components of carbonic acid. 160ANS : The formulation of carbonic acid is H2CO3. 6. Give examples of some impartial oxides. 160ANS : CO, N2O, H2O are examples of impartial oxides. 7. Why is carbon monoxide a impartial oxide ? 160ANS : Carbon monoxide (CO) is a impartial oxide as a result of it kinds neither acid nor base with water.
12. What’s the total type of PABA ?
8. Why do nonmetals not react with dilute acids ? 160ANS : Nonmetals don’t react with dilute acids as a result of they aren’t in a position to displace hydrogen from acids. 9. Who found hydrogen ? 160ANS : English chemist Cavendish found hydrogen in 1766 Advert. 10. Why is ammonia a vital chemical ? 160ANS : Ammonia is a vital chemical as a result of it’s used within the preparation of fertilisers, nitric acid, explosives, nylon fibre, and so forth in addition to family cleaners. 11. Why is ammonia not collected by downward displacement of water ? 160ANS : Ammonia isn’t collected by downward displacement of water as a result of it is very soluble in water. 12. What’s the total type of PABA ? 160ANS : The total type of PABA is Para-Amino Benzoic Acid. 13. Point out vital ores of sulphur. 160ANS : Vital ores of sulphur are : Zinc blende (ZnS), gypsum (CaSO4.2H2O) and copper pyrites (CuFeS2). 14. Write digital configuration of sulphur ?
16. Point out two crystalline allotropes of sulphur. 160ANS : The crystalline allotropes of sulphur are (1) rhombic sulphur (2) monoclinic sulphur. 17. What’s transition temperature ? 160ANS : The temperature at which one allotrope of a component adjustments into one other allotrope is named TRANSITION TEMPERATURE of that component. 18. What’s the transition temperature of sulphur ? 19. What’s the form of the crystals of rhombic sulphur ? 160ANS : The form of the crystals of rhombic sulphur is octahedral. 20. What’s the form of the crystals of monoclinic sulphur ? 160ANS : The form of the crystals of monoclinic sulphur is needle-like. 21. What is understood because the king of chemicals ? 160ANS : Sulphuric acid is understood because the king of chemicals. 22. Why is sulphuric acid recognized because the king of chemicals ? 23. Which catalyst is used for conversion of SO2 into SO3 involved chamber ? 160ANS : V2O5 is used as catalyst for conversion of SO2 into SO3 in touch chamber.
29. By which methodology is ammonia fuel produced ?
24. What’s the energy of H2SO4 obtained by Contact course of ? 25. What’s charring of sugar ? 160ANS : The method by which concentrated sulphuric acid converts sugar to a black mass of carbon (sugar charcoal) by dehydration known as charring of sugar. 26. Give names of some nonmetallic parts. 160ANS : Hydrogen, oxygen, nitrogen, chlorine, bromine, iodine, sulphur, phosphorus, and so forth. are nonmetallic parts. 27. Write an equation for the response of phosphorus pentoxide with water. 28. Write the equation for the industrial manufacturing of hydrogen. 29. By which methodology is ammonia fuel produced ? 160ANS : Ammonia gasoline is produced by Haber’s course of. 30. Which nonmetallic factor is obtained by Frasch course of ? 160ANS : Sulphur is obtained by Frasch course of. 31. Write chemical formulation of Oleum (fuming sulphuric acid). 160ANS : The chemical system of fuming sulphuric acid is H2S2O7. 32. Which crystalline type of sulphur is most stable ? 160ANS : Rhombic sulphur is probably the most stable crystalline type of sulphur. 33. On which bodily property of sulphur is Frasch course of based mostly ? 160ANS : Frasch course of is predicated on the property of low melting level (388 Ok) of sulphur.
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The capital metropolis is Apia situated on the island of Upolu.
The Unbiased State of Samoa (or Malo Sa’oloto Tuto’atasi o Samoa” in Samoan) lies within the western a part of the Samoan Islands within the South Pacific Ocean. The 2 most important islands of Samoa are Upolu and Savai’i, making it considered one of the largest islands in Polynesia. The capital metropolis is Apia situated on the island of Upolu. In 1772, the islands of Samoa had been found by Jacob Roggeveen, a Dutch explorer. He was adopted by French explorer Louis-Antoine de Bougainville who named the islands the “Navigator Islands” due to the Samoan’s seafaring abilities. Quickly after their discovery, Germany, Britain and the USA needed to have a foothold on these islands. The Tri-partite Convention of 1899 partitioned the Samoan Islands into two elements – the Japanese island group turning into a territory of the USA and got here to be known as “American Samoa”. The Western island group which was a lot bigger in space grew to become referred to as “German Samoa”, after Britain exchanged their declare on these islands for termination of Germany’s rights in Tonga, some areas within the Solomon Islands and West Africa.
Thus, though the group of Samoan islands was dominated by an indigenous monarchy, Germany and the USA bulldozed the native ruler and partitioned the islands between themselves. Jap Samoa nonetheless stays underneath US rule. In 1914, on the graduation of World Warfare I, German or Western Samoa was captured by New Zealand and New Zealand was granted a mandate underneath the League of Nations to rule this territory. From 1914 to 1967, the pound was the forex of Western Samoa. It was subdivided into 20 shillings, every additional sub-divided into 12 pence. Following the brand new Zealand occupation of German Samoa (or Western Samoa), the pound sterling changed the German Mark because the forex of the territory. The circulating coinage initially was the United Kingdom coinage. In 1915, the primary provisional Banknotes issued by the brand new Zealand Occupying Army Pressure, which had been in the character of overprinted one pound and 5 pound Banknotes of the Financial institution of recent Zealand had been circulated.
The obverse bore the profile of Malietoa Tanumafili II from the road of the erstwhile Samoan Kings.
In 1920, overprinted ten shillings Banknotes of the Financial institution of recent Zealand had been circulated. In 1922, Treasury Notes within the denominations of 10 shillings, 1 and 5 pounds, issued “by the authority of recent Zealand Government” had been circulated. These Treasury Notes continued to be issued till 1961, when the financial institution of Western Samoa took over the management & supervision of paper cash. From 1934, the circulating coinage of Western Samoa grew to become predominantly the brand new Zealand coinage. In 1962, Western Samoa which remained beneath this mandate hithertobefore was granted independence. In the identical 12 months, distinctive coins have been launched based mostly on the “Tala” (a neighborhood variation of the phrase “dollar”) subdivided into a hundred “Sene” (an area variation of the phrase “cent”). The obverse bore the profile of Malietoa Tanumafili II from the road of the erstwhile Samoan Kings. The reverses bore designs of varied fruits present in Samoa. The Central Financial institution of Samoa (or “Faletupe Tutotonu O Samoa”, in Samoan (which means “Central Bank” or “Central Cash House” of Samoa), is situated in Apia, the capital metropolis of Samoa. The Central Financial institution points the Samoan foreign money, the “Samoan Tala”.
Earlier than 1962, The Financial institution of latest Zealand owned by the brand new Zealand Authorities issued Foreign money denominated in British Pounds, shillings and pence for circulation in Samoa. After Samoa gained independence in 1962 from New Zealand, the foreign money was initially issued by the Financial institution of Western Samoa. Just like the Financial institution of latest Zealand, this was a business financial institution, partially owned by the Samoan Authorities and it carried out forex operations and international trade coverage on behalf of the Samoan Authorities. In 1967, the Tala (that means “dollar”) was launched with every Tala being sub-divided into one hundred Sene (which means “cents”). Till this time, Samoa was utilizing the pound, with coins coming from New Zealand and Samoa supervising its personal Banknotes. Additionally, in the identical 12 months, New Zealand decimalized its foreign money. In 1974, the federal government of Samoa transferred the supervision, circulation and situation of foreign money to a newly established Financial Authority of Western Samoa by way of the Financial Board of Western Samoa Act. In 1984, The Central Financial institution of Samoa was established by means of the Central Financial institution of Samoa Act for the aim of administering financial coverage capabilities and different powers exercised by the Financial Authority of Samoa.
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In 1996, the Monetary Establishments Act added the licensing and supervision of monetary establishments to the Central Bank’s function. ”, when the country’s earlier title “Western Samoa” was modified to “Samoa”. Thus, after 1997, the symbols “SAT” (Samoan Tala), “ST” (Samoan Tala) and “T” (Tala) have been used as properly. In 2000, The Central Bank’s function was expanded to incorporate Cash Laundering Prevention duties. The Central Financial institution of Samoa continuously develops/introduces new safety options which might be tough to repeat, however straightforward to make use of and promotes consciousness amongst customers to detect counterfeit forex, if any. A few of the safety options used on foreign money notes are – Watermark portrait, Anti-folding expertise, electrotype textual content and windowed Safety Thread. Counterfeiting coins is liable for imprisonment for upto 7 years and placing a counterfeit coin in circulation is punishable by a prison time period of upto six months. In 1967, Tala Banknotes had been first issued, changing the brand new Zealand pound because the official foreign money.
These Banknotes had been within the denomination of 1, 5 and 10 Tala and had been issued by the Financial institution of Western Samoa. In 1980, a 5 Tala denomination Banknote was added to the circulating forex. From 1985, the newly constituted Central Financial institution of Samoa issued forex with the brand new issuer’s identify in each Samoan & English. The 1 Tala Banknote was discontinued. In 1990, new denominations of Banknotes of fifty and a hundred Tala have been issued. In September 1991, a 2 Tala Banknote was issued to commemorate the golden jubilee of Malietoa Tanumafili II as Head of State. This was the primary polymer Banknote issued by Samoa. 2 Tala coin issued beneath the 2011 new Collection of Coins. In 2008, a brand new Sequence of Banknotes printed by De La Rue, the premier Safety & forex Printing Organisation on the planet, was launched with brighter colours, new safety options and fashionable designs. The denominations of fifty & one hundred Tala Banknotes have De La Rue’s Optiks safety thread which has a see-via window.
On the Entrance & Again of all these Banknotes is talked about the issuers identify “FALETUPE TUTOTONU O SAMOA” (in Samoan) and “Central Financial institution of Samoa” in English. On the Entrance can be talked about “TUPE FA’ATAGAINA-MALO O SAMOA” (in Samoan), and “Legal Tender in Samoa” (in English). 5) Banknote options Samoa’s stunning properly-identified sandy beaches, symbolic of the rising significance of Samoa’s restricted pristine seashore sources resulting in growth of Samoa’s vacationer trade – its major financial driver. This Banknote is purple and pink in color and is manufactured from polymer plastic. The scale of this Banknote is 139 mm x 71 mm. 5) Banknote portrays the Villa Vailima, former residence of world famend Scottish writer, Robert Louis Stevenson in Mount Vaea, Samoa. He was often called “Tusitala”, (the “Teller of Tales”) to the individuals of Samoa. The denomination of the Banknote can be talked about in Samoan as “Lima Tala” (that means “five Tala”) on each faces. This Banknote is gentle blue, inexperienced and multi-colored in color and is product of polymer plastic. The scale of this Banknote is 139 mm x 71 mm.
10) Banknote reveals Samoan kids on their manner to high school. They signify the way forward for Samoa. The theme of this Banknote is Sports activities & Training in Impartial Samoa. The denomination of the Banknote can be talked about in Samoan as “Sefulu Tala” (which means “Ten Tala”) on each faces. 20) Banknote options a lovely cascading waterfall, the 50 metres excessive Sopa’aga Waterfall, situated on La Lafa Move Street, Upolu Island. This Banknote is yellow, orange and multi-colored in color and is product of polymer plastic. The scale of this Banknote is 139 mm x 71 mm. 20) Banknote exhibits Samoa’s Nationwide Chicken, the “Manumea” (or Samoan pigeon – Didunculus strigirostris) & Samoa’s Nationwide flower, the “Teuila”. The theme of this Banknote is variety and wonder of Samoa’s pure atmosphere and defending them for future generations. The denomination of the Banknote can be talked about in Samoan as “Luasefulu Tala” (that means “Twenty Tala”) on each faces. 50) Banknote options the federal government advanced at Matagialalua, in Apia, which is an emblem of the maturity of Samoa’s public administration and governance system.
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