日四月二十年五七九一番公年四十六國民華中育教僑
雜行聯絡 深起民
及聯絡方的民對
其絡方式 社
報日僑華
四期星
WAH KIU YAT PO
華
教
育
廰署致力培養高尚公民意識
將在各校進行演講
「作商
莫之廉標機
【最署介訂
意去講
̄社區關係處經已利用導番媒介和採取社區
40 講座時,盡量給予協助。 |七四年宋期成立了防止贪污處,負實杜絕貪污機
她指出政公署成立迄今已有十八個多月 一黨政公署之工作將至方支持,同時並希望各校亦 會的工作。在本年11月間,狼破器的社區關係就,人員還已開始進行探訪區內各機構 - 亦曾在著子, 執行应建立一個有效能的調查部門,隨後在一九,按經常保持精盤,而事實上,各分隔的社團聯絡 。表政公署作得一項當務之急,首先集中力量在 辦事處密切合作。因此,公署返望能與各區內學 龍泰力合作,在公署人員到校安排教職員及學生 個分處,計九龍四個;褚為一個及新界二個,作
尋求達到「帶貪偶」目標之最佳辦法 保處之工作目標,發育司籓置體各學校當局給予:望各區團盈機構,尤其是學校,給予支持和合作 教育司海建最近渣告各校校長表示:本署對.同參與 - 同時在世年人心小培養更高的公民意識 特訊 爲明及支持就專員公署社再開 各市民參與肅會假工作,爲此政公署新 計劃目的在將廉署工作目標介紹到學校去
·爲公署在各區工作。
同時使教師及學生有機會與廉署人員交換意見 教署最近與廉署協商 擬訂一項學校講座 ,以便更易推動廣大市民-特別是青年一輩5共 各分處工作人員當然需要興區內機及政府
目前 - 廉政公署計劃在人口稠密地區設立八
一起民業共同努力,使香港成爲一個更高尙,更險 自標之最佳辦法。3.
日一個人及絡,放人玩市,作的目機介紹國際被去,同時使致師及學生們有
開始組成,隨卽後開工作,以求還到下列目標:,基打一項學校教座計劃,目的在將廉政公署工, 機會與公署人員交換意見,訴求達到「繼含很
·學校舉行講座,最近,殺署及廉政公署曾經協商
MICA 向政公告分處人員與精外,亦可逕向一
將及其他社團。二,由各掰政公署分處進行鼓勵 氏詢問。【電話,五——五七八四一八成) 社區關係總部分處鼎辉副主任馬金康及孕越璡二 料或擬邀約公署人員對防止貪污問題行舔 時 至於各學校如欲詢問更多有關廉政公署的資
0.0
論來
由一封寶貴的信說起
·難捨·
最近,永踐本版淵輯先生轉來 論 來 香港大學校長習灣極博士的一封私,到個性品格注型等各就差異的影响;因而會形成 人圍件,對本人日前在本刊兩千差萬影的型性風格,是文學家或者,有些 ∴ 但铖個人所培義出的語文表達能力,仍會受
西景象。這一塊具有如「海德公園一般的自由一塊內容為實。個別處的官詞密的,似可隱於次要 橋樑的本版,保持繁花盛放、百鳥學味的蓬勃興 不入常規法度的特異之處,因此很易引起通與不 建焄系交流出並作爲官民間淨遹意見促進合作「審吃』的飽學之士。這類人士的文章,往往有 下的栽培潮儷功夫,他到作爲本港教育界人士表 | - 亦會有一些思想深裂而稍抽於達,形成有點 先生及一向努力從事耕耘的作者們。他們長期所 善於習書,其作品內容,足以傳世。而世間之大 ,任何梁,都麼該歸於本報「激育版」的編輯,謝伶俐,有些顯得稍拙於繈。韓 日吃,却 ......有所動點,實在愧不敢當。事實上一氣其勢如江河海岛,有些則委婉榮習。有些菜導 通的兩可評價。其實,拼性的文章,似乎主要
蘇有關黃校長治港頂讓後感的推文一其艾李遠維術,有些則較近就借屈,來;有些要
以出校長在教育界及學術上的分孝地位,在 ,因此深受各界人士所支持愛。 .
○的學生該人過容 獨對特旻术,每
能 了解。 多作格 個 注 個
抹個的都以通不
,
冷氣 語所 當酌的
| 處世奥行事的南針座右銘。就我個人來說,黃校 所給予我們寶貴的提示和使點,都足以作爲立身 做別的獨特性形成的差異用死板的文法以拉平 之進,應足以領導大家囯除時弊,轉移風。油瓶,似乎對此質順其自然的培養,而不還把河裡
改委多乐。人們盛稱改校長處事公正嚴明,眼光 折,評分爲;在另一方面却受到一位微商望发
長的鼓勵和黼示,在神-上有如「盤中逸炭),
特別可貴。人生僅是多方面的,在一方面長對強人儒大醫
安够
風頭正
北出正辦
沫
安之人很會轆,自不可同日而語。
寘四第張六第日二月一十年卯乙潘黢
★的能之由能活的大在的, 有提過對够動條加學表! 高面少造膩的 外强校掉了
數份 全作
中機篇人
主,亦量的保
正大
列的影
黃校長最近在香港大學畢業體的演講制作有,列對點:
不除出一有
若學問 指的因 較念培的蛋
是的
卡
『想的
眼的少外的
却逹但更多了但及,
定力可
真的都是够汁-
得的油餐;生所 三成有
淨土未析,不必結實從麻
麻 食 油
推消或病
D
色, 精翻: 。失由的
五痛
*四,雖實三結祖 钟沿二
『一須即上
·臨時對於盡置的分辨,好多時是很辣的
談中醫的虛實
的談論,各有所愛明。但我能够接受的觀念是下 我呻看過一些近代的中醫書籍,關於此問題
眼的
消失,或至影响全身健康宵況,這時可作虛症論
可形 證 質
骨神
點心斷的須,由
症人運好發綜
力個
發生
,如體格合乎一般的標準
有點
作法
無
不
1976中學會考試題預習專欄
堅道書院主編
(ii) If a jar of this gas is mixed with a jar of Chlorine gas under diffused sunlight what would happen?
How many products are, possible? Give all appropriate equations.
(5)
C. Name one chemical test by which you can distinguish the following pairs:-
化學科
(四)
李國榮
(1) Ethene and Ethane
(ii) Tomic acid and acetic acid
:(6)
(4)
CHEMISTRY
GRAM MOLECULAR VOLUME AT 15.T.P.
22.4 iters.
Atomic weighte -.012, 0÷ 16, H÷
K-39, Na- 23,-1= 35.5
a. When a student heated. up some. annonium sulfate with sodium hydro- xide, he observed colorless gas which tumed litus. blue being evo= lved:/When he reacted thegas with hydrogen chloride vapor a white. fume was formed.. He then decided To collect the gas in solution, and he used the following set up.
D. Explain the following:- (2) Nickel is used in hydrogenation
of ethene.
(in) When othyl alcohol is heated
̇with acidified potassium dichromat te, the mixture tums from orange to green.
(4).
acid, and then passing the gas.
through potassium hydroxide solut- ion?
(10)
On
C.Ablue crystalline solid was
At first a white. strongly heaveā. power was formed, and a colorless 11quid was observed to condense at the mouth of the test-tube. further Heating a black powder was finally obtained, with the evoludon of colorless gas, which tumed litmus red. After cooling, dilute sulfuric acid was added to the black. residue, which dissolved and a blue solution was obtained. when: this solution was carefully evaporated. to drymess, crystals of the origin- el solid was obtained.
(8):
What would probably be this solid,
write equations for all the obser- vations recorded in this experiment.
1976中學會考試題預習專欄
堅道書院主編
物理科
PHYSICS
(四)
(4)
何輝明
or, by the Principle of energy
conservation
Total work..
done by
the man
Energy
Energy
lost due
gained
by the
9
to fric- tion
-Ans.
355.95 J = 98.45 J + Energy lost Energy lost : 157.5T
let the bersion in the spring
balance be 'Th
the upward-acceleration be Ta'.
the mass
the boil y be "p
Auccrding to Newton'a second law.
Fra
4-m(E + a)
siga mears upwand- motion. siga neens downwa
(20x10) = x(104a)-
((1410) = (10-2a)-
motion.
(1)
fusing S.1. unit of fort = as
Newton and; 1kgf. =10N. Solve for a 20 x 10
70+ a.
asy
22
funny
(i) What was the gas?
Explain your answer with the help of ant equation.
(ii) What was the reaction of the
gas. with hydrogen chloride vapor dive. an equation.
(iii) Why did he used the set-up
shown in the diagram for collect- ing. the gas in solution?! (iv) Draw a diagram to show the
molecular structure of the gas.
(10).
B.5.54gm of sodium carbonate (NaCO3 ·TOHO) were dissolved in water and the solution made up to
·250ml.25 mì of this solution were titrated against 0.085 Molar HC. 22.5 ml of the acid were used. What would be the percentage of sodium carbonate in the crystals.
(10)
Explain the following:-
(1) When hydrogen chloride" is dis-
solved in toluene, the solution does not tum litmus red. (ii) Suc rose is a colorless crystal yet its solution does not conduct electricity.
(3) 2A. A mixture of 10 c.c of a gaseous
hydrocarbon and 200 eic.of oxygen on explosion gave 175 c.c. which was reduced to 135 c.c.. by shaking with potassium hydroxide solution. What is the molecular formula of the hydrocarbon?
B.
'heut
acetate dost Sedim Bugtranick
-Colore
When sodium acetate was heated with sodium hydroxide a colorless gas was evolved, and it was collect- ed over water.
(1) Write an equation for the pro− duction of the gas, name the pro- ducts.
Oxygen and sulfur dioxide are passed through a heated hard glass tube loosely packed with asbestos: containing a fine platinum powder. The resultant gas is passed into a Lest-tude of concentrated swfuric acid.
(1) Write an equation for the, react- ion taken place in the hard glass- tube.
(ii)Write an equation for the
reaction taken place in concen- trated: sulfuric acid,
B. Solid of compound X is a color- less crystal which is soluble in water. A solution of X is found to be able to conduct electricity. But the solid of X does not conduct electricity, d melts at a very high temperature and in molten state it is found to conduct electricity. (1) Which of the following compound
is probably X? Explain your: choice. NaCl, CH4206 Cusa (ii) Using your answer in (1) expla- in the observations. (No equat- ions are required).
(6)
C. 25 gm. of anhydrous potassium carbonate are dissolved to fo rm. 100ml of solution. Carbon-dioxide: is then passed through this solut- ion until no further reaction happ-
If as the reacting temperat ure a saturated potassium hydrogen. carbonate solution has a concen
ens.
tration of 220 gm/liter, what would
·be.the weight of the precipitate?
(10):
It is
D. When sulfur dioxide is passed through a solution of hydrogen sulfide, a yellow precipitate is obtained this precipitate is then collected, washed and dried, now desired tu obtain a very pure form of this solid. Suggest one method. (No equations required)
(3)
44. Explain, in terms of ionic
equations, the following:- (i). When an acidified solution of
potassium permanganate is added to a solution of ferrous sulfate sol- ution, the biuish-green solution turns yellow, and the purple color disappears.
(ii) When the resultant solution in (i) is treated with sodium hydro- xide solution a reddish-brown galetin-like precipitate is formed.
(7)
B. A colorless substance W contains 2.22 %H, 26.67%C and 71.11% of 0. Find its empirical formula. What is its molecular formula if its molecular weight is 90. What volume of gas at 27°C and 750 mmHg can be collected by first reacting Sgm of W with excess concentrated sulfuric
Solution for last week.
Za)
(1) If the air resistance is negi- igible, the ball will travel with wan unfo or urichtal speed,
therefore, the required answer is the speed which the ball just re- Lvased from the helicopter.
-1. ine. 100 ms
(11) Consider the motion of the
ball as free-falling body.
10.x 24
-1
300 ms.
10 x 202
= 2000 m
Ans. (iv) The ball travels norizontally
with an uniform velocity
Su-t. =.100 x 20
2000 m
tan 9
2000 2000
e-
户
(i) umbalanced F.
= Applied 2.
1350
== 6N
(ii) Net P.
frictional F.
Ans.
63 40 a
a = 1.575 ms
(iii) S = ut + gat2
0 + x 1.575 x 2 -3-15m
70 +1.575x2
3.15 m/s.
(ii) Solve for m m = 18 kg
Aris. (iii) The acceleration of the lift.
will be zero, when it is unden uniform motion. Therefore, the reading of the spring-balance. WILL Jë 18 kg-f
(jv) The Lift is falling as a free- falling body when the cable is broke and its downward- acceleration will be g*
T = (g)
= n(s-g) = 0:
Therefor the reading of the spring-balance will be 201
Question for next wee然
0.3 m
As the above figure shown, a ball.
of mass 2 Kg is released from A so that it rolls on a curved surface.
The surface is smooth fram. to Band rough from A to C. Calculate
ti) The potential energy of the ball at
pt.A relative to XY level.
(i) Its kinetic energy at pt.B.
(N) Its velocity at pt.B.
(v) The frictional force along 30 if the. length of this surface is 2 m and
the ball comes to rest at C.
car
30%
-Ans.
level geár
-Ans:
(v) (The energy supplied by the
man)
= (he work done by aim)
(Applied F) (Displacement)
= 113 x 3.15
= 355.95 J
(vi) (The energy gained by the hox)
(The K.. of the box at that
momert)
x 40 x 3.152
198.45 J
(vii) (Energy lost)
-Ans.
=(work done by the frictional
force)
(fretional f.)·(Displacement )' = 50 x 3.15 =157.5J
0.5 cm
large
gear
A simplified diagram of a screw jack is shown as the above figure. The Biall level gear on the handle has 10 teeth and the larger gear has 30 teeth.. A screw whose pitch is 0.5 cm passes. through the larter gear, and for each complete revolution of the larger gear, the screw moves up the distance of the pitch. Determine:
(1)
(11)
the velocity ratio
the mechanical advantage if the
efficiency is 90 $:
(iii) the least force applled on the hand-
le to rise a car of 12967 Kgf How far could' a car be raised by 12
complete turns of the handle ? The answer may be represented by 'T'
(iv)