日三十月四年九七九一曆公年八十六國民華中 育敦聞港
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·美女士,眾實際。
【分ㄛ委會主席罕近志
北角繼園里昨晨空中飛人慘劇
老婦墮樓肝腦塗地
王昨北合一警方到塲黼貸後,在上「倒屣无言向該成員會主席際科
花扮高中後 港中西區民政區
蛋琪葉蛋牛陳生西比居、生
友
參會表演李強,女娜,晚星李科城何清上五 ]詞:炳,琳华林士卷兩案 微邵,分子盘
伊熊西明山餓,長演,分紛關镪群、
[ 楼原因明
委出七區會新員·阿龍鎮日散,林傑
: 〔英社)海岛中,熱心社會知名人士,其
:
社
將許,他被街坊及——皮區內七個分行中高级警司)
東區康體促進會
員會主席,昨由民政
部員
有以服與居 総樂社住 體質類 大窗工境 市话作, 深
墨飄香。服等及港有合職
翻力
丁午,周培,李林,浩宇慎,* 「陳勁秀,陳照林,沒事局主席蒍謝明,湖成定邦 ||| 譽會長総李娟,朱享,塗士聚:陳溵就·李 潘潔,丁說珠,賴間為主席優花高域,腰間爲一 廿一、装会永选名譽會長用作黃超慢,王換掉,名 熱敏小姐。 「定今晚七時假北角東西標舉行第二屆會董夜·為如,葉面難,沈啓業 年事務主任),梁文 (特)廠大組織之俶區康樂賨齊低佢會財氣, 安士 中酒爾放及转 一下,員會秘書 小姐〔中西區樂體育 分區委員會:商業,西區狹育官。 牁察宗親會昨舉行會員聯歡敬老大會。因爲
| 主任】-梁浩榮(花學
二屆新員今就職 高歌
「丹天(本報記者攝) 一、尖沙咀獅子會術總監榮欽榮演講、左俗會長
沿雄 - 李林藝,
出席者爋月天,陳銘靑,黃世俗,冼亞芬, 「林炳森,李明見,徐國者,陳毅歿,亞光,巷
,第天一,力浩然,幽麗穎,第
煎官會長陳怡介紹副總監梁飲榮演露 反會務發展之保證。他指出:作爲會員均有服務 機會,不恙後,還要出力,躬行置站,爲社會傷 有計劃有步培養各導〇三區區務|
|織·提高服務質來,篇主要工作之一。末由關會 「頂就能人士服務,才能證其意義。所以健全組
ELE
「常段之六〇三溫憲章,亦於是日在大會通過· 組織史鐵於甜全,此爲尖沙咀獅子會會長月天
* 三〇三區獅子會
並將通過草擬憲章
五月五日選總監
「快綻,定五月五日假希爾頓酒店行。同時草蝦
宜,文,梁子會,主岛昌:衛本涼,朱如新 ,李蕙精術,靈威,永安,梁,郭立棄,陳
會親宗蔡柯港香 會老敬歡聯行舉 要重老敬調強楨國蔡
單
食道
本報記者】
(特》香港柯章宗親
伯琢外菜、持起仁俗,人的說等嵗
歐籃,倣宗敬宗瑞,天森桃:共榮症發
華麗
下祟風 敬勉,進
-敬老大會,恢復我們可爲兩
她三千年前原屬一家的親情
『法路敦三老今。盡有!
頁二第張四第日七廿月三年未已曆夏
WAH KIU YAT PO
海天酒樓夜總會
·席欣欣小姐加盟 證據由著名的級數百人。 ()
資通通來都有和小、蘇雲娜、泰馬遜及會員等 希天酒樓夜、蔡庭、蔡來發、蔡振輝、亞軍、蔡如、蔡安 蔡如、理監事村氣滴、蔡醫、蔡是集、來義倫、 、柳出籠,蔡基供、蔡亞、柯標、張惠文,柯金
寧、柯夢器、顧問:柯啓祥、蔡木卷、蔡靜然、 仲委、蔡急因、蔡明山、副監事長柯利德、蔡 初、蔡悅、柯光盤、蔡伯勵,乃 蔡文
然昨山
席欣家小姐登台演唱,加上該夜總會獄佈的歌后 母語,本週起艾加聘有梨涡关人之譽的青春院美 展出近並計劃地置自動路麗的音啊燈光,由專家主席姚志民主黨,各正副首長榮福 四、柳營、谤非小姐等,更增强其歌星的實力,該署、守,在花園街會所天會康樂部,再行容慕典造。 一行共使岁,務求盡善泰克,結合對台現代化的,屬龍奎爾、到杜熱度、萊略過、郊列城学院 每日使用,效果非常薩好,其此點陽台加進 當菜、黑鍋料、家偉民、麥天恩·威斯、藏 我完成,故分期卷裝,第一期新設備已依期完缺,祖喜、區環、麥克、龍華英,理監事李岳琳、 李 也終還珠、珍妮花小姐龙盟後,日那邊服務的 中山同鄉會 中山咸知會館紀念 設計代裝,因工程及器材積大,全部該備不能一、劉翔米、食崇柏、腳短、劉業、謝坤、麥 昨春祭先賢 屆先賢及光友,於昨 ̇日(星期日)下午
要求,传人有酚惝歡樂之感。
封、
祭出
equation, no, of moles of
KMao prese in 20cm3
solution:
no, of moles of Haha0i Teacted
25 1000
x 0.2
In D, the precipitate of Cuf(H), dissolves in excess
ammonia solution due to the
formation of a complex in
of copper
Cu(0)
→ 0.00175
Jet the volume
quired be y cm
Then,
INO
concentrateif
Low
D
1000
0.00175
oiling point
displace ING, from
sides. the
rauno
ANI
Cu (NIIz ) à
ZOL
Heng
the volume.
1979
中學會考試題預習專欄
文化 四月(廿八)
明德出版社朱宏林提供資料:
Chemistry (28)
(Reginald V. Chu)
Solution to 0.40
the molarit
solution
25 1000°
∙1000
(a)(1)
X is
iron(II) sulphide;
ydrogen sulphide
Y is sodium sulphite
is sulphi dioxide
(姓)(1) Fes + 2HCl
(2)
FeCl2 Pb(NN3/2
PBS + ZINO,
(3) NaŋSU, + 211C1
2NaCl 1120
SO
1)(1) Iron(III)chloride
would tura from:
yellowish-brown to pale-gi and yellow precipitates of
sulphur are obtained.
(2) Iron(III)chloride
would turn fron
brown to pale-green precipitate fg formed.
想
SO
2Fe
(iy) Yellow particles of
sulphur are obtained
redox reaction has taken:
place.
(b) v
35(s)
obtained at
$750 *760
Solutinato 0:41 (a)(i) Ammonia solution
contains ammonium ions
Nli,*; hydroxyl ions, molecular ammonia, Niz. Sodium hydroxide solution
contains sodium ions, Na
and hydroxyl jons, Olf.
(ii) Both are considered as
alkalis because they both
contain the hydroxyl ions, Off-
(vii)(1) The observation
are as follows:-.
In A, white precipitate of
lead(11)hydroxide is seen.
In 1, white precipitate of
calcium hydroxide is eeen In C, white, gelatinous
precipitate of zinc hydroxide
is seen.
In D. hluish-white
precipitate of、 copper(11)
hydroxide is soon.
In E, white, gelatinous
precipitate of aluminium
hydr cile is seen
(2)PE
In E there is no clïange
and the precipitate previou
Ay formed remains.
(v) There ill be no change
în B and D, and the precipitate: previously formed
remains,,
However, precipitates
previously formed in A
and E will dissolve in
sodium hydroxide solution
give clear solution.
Pb(OH)2
2NaOll
:Zn(OH)
2Na pb (011),
2Naot
2Na
Naon
AL(OH)
(b)(1) No, of moles of HCl
resent
35
∙1000
EL0035
resent
(ru) So, of mot
pitated
of moles: fol
present in
solution
0。00175 Formula
AgCl
108 + 35. 143.5
of the precipitate
agül, obtained.
143.5 x 0.00175 @
0.2510 g
(iv) This is due to the fact
that when silver chloride
precipitate is exposed to sunlight for some time
gradually decomposes metallic silver
the precipitate gradually
turns grev from
Solution to 0.42
a)(i) X is iron(II)chloric
(1) 2HEN
The exit gas
er vapour.
00
‚003.0.
of moles
201
-Pb(OH), (s).
2011-
• Ca(01), (s).
NaCl formen
ne, of moles
0030
Naon added
201
201
<cn(fn) (s)
the volume 50cm3
molarity of NaCl in
solution
ben.
chloride
► A1(OI), (s)
ill be contaminated
bydrogen chloride du
a) When chlorine di
In water, it foros
hydrochloric acid anst
which
read
orous acid, HOLD,
able and
culorine water
stored under sunlight
light
2HC1
Yellow phosphorus
react
into flame st
in contac
(iv) Ammonia gas readily
escapes from ammoni solution if the
nót tightly stoppeírd. addition, ammonia has
pungent, unpleasant
audis, poisonous in nature
Water is remove any unreacted hydrogen.
(2) Concentrated
sulphuric aci
to dry the incoming gi
There is
i on
clitori
(y) The white film
calcium carbona
being.
water, "he film
by action of,
carton dioxide
Limewa
ta(on).,
way with
the
and zinc
of moles of
obtained
450 * 273 x 750 293 8 200 22400
according to the
below's
210
no. of måles of lot
present in 100cm
no. of moles
obtained
450 x:750x
293 x 760x
tiie molarity of Wedg
solution
450x573x750° 1000.
293x700x22400*
109236 M
(e) accnrding to the given
(ag)
(iv) Inga, there is no change
and the white precipitate of ph (1)
remains.
0.0030 50
0.06 M
* 1000
iously for
(i) os of mo
present
solution X
of
no. of moles of [[CT originally present
0035
0.00175.
In By there is in char
and the whîtë ecipitate of
Ca (011); previ ely formed
remains.
In , the precipi ate Zn(of), dissolves in excess ammonia solution due to the
formation of a complexion of zincat
According to the
be Fot
C)
No. of moles
required
of moles
Z n ( NII;},
20H
present
Agc1fs
förmed
Z.-2ncl
(2) There is
because
(c) Formula wais
tion
Accors
en is helow:
hydrogen "in the Activity
Series, soit cannn't
160g
displace hydrogen
hydrogen chloride.
(b)(i) Cuneriffated sulphuric
acid, being Lon-volatile, con displace the more volatile nitri
the uitrates,
NaNO3 + 150
acid from:
required 560kg of Pey
560
1600 x
k
ג
560
100.
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