1979-11-30 — Page 31

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有教經馬

頁三第張八第日一十月十年未己曆夏

WAH KIU YAT PO

黑十二)齣中寶

(+UKE

第四場

(K)

[ī) 鄉村好友

五期星

耀翔

帆墀在兩天之内先後被拉走三 |變的存毆林馬澇,突然獲得兩匹麒麟加盟,而商 力旺肫考實力有限,大一段淤秒掌四;換走袤態尙住“勇態保持 - 但對手,

•風客由史啟琪主:三段一分卅三秒 · 末

·大失(施萬財務)十一月廿七日遨份後被操勇過上次,仍有再手

·玉朗斯,

麟宀簡炳墀馬房)於十一月廿米足,致地飛张惠可

|九日藝人李殿

務。

澳發

洲投

寶入沙灣

石摩田

已戲友

報日僑華

事賽場七日明

報]綜|操|狀|各

導 合練態駒

馬會蹉事秘畫巴柏昨日宣佈,佐治峰克馬房

1.1

Ne

實業弱,已足够實力在

方兆斡入樹都給馬。

512 413 36 211 9 710 8 1

台場日

明日七塲賽馬排位配搭表

B10004

*人九、 梨案至符

宀 婺暊利利

BUD KEK"

〔四金山神童

(P) BR

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二八李

*

UK DEVR

AAA

2 KB

TEGNEO-DET (+) TIK BK

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·滁洲萊

張與卡蘇與張國榮吳鄭

(1)

第五場

(11) XBE

-

~

21107611958312/

243 165

11 10 9581

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「連職位:

《八】:好好嘢

1114 BEKE

〔塲外开第一口首關):九) 大姁仔

1957 (+) 4K

##0 201

米豆張王摩

第六場

夏米,

第二班 三00公..

迷妙

(*) K

HÎ] 莫現斯 卡(九) 好利

91

AE

BEI K

第七場

* *

(BKROKE)K

【外丹寳第一次關) (四)陌生人

(PS) (B) (1) P

#11 111003E (1) FOE

****

三四朴廷能李 〔九) 利是

EK (<) KPZ

陳深張李沈

(+) PER

二六. 施泰浦,驳二十-心者荫章。

無糖

94 278-

10 8 4 6 21 7-5 1.9 313.

KESE &

-2 |||< BEK N

FOLK HERE S

SKREF

(場內孖八首關)

[塲外套次),

9:一一A:莫理斯·卡

另六,安德鲁

CARE

註:見習生已成磅

〔崖內孙Q次隔).

一塲外三裹屍惑》:

外務雲第次關

摩加利

31.馬彼得

4.一一交家 簡

1980

中學會考試題預習專欄

化學

明德出版社朱宏林提供資料

Chemistry (8)

BeginaldY-Chu

(Mi & Dale Pre

Solution to 0.10

(8) (1)

(ii)

Ttis nitrogen: monoxide, NO. The equation is: ANfl− +50p→→4N0+6] {

Brown fumes are. which are nitrogen dioxide,

2ND+0,→ 2NO;

The platinum spira functions, as a catalyst.

scen

As the oxidation of armonia is exothermi and the heat, evolved can maintain the platinum spiral at an elevated

temperature,

required when reaction

The Iitaus would turn red. It is because all the ammonia have reacted and the

nitrogen dioxide. obtained fas

dissolved in water give an acidic solution

la water.

Z is nitrogen gas The equation is: +5Cu0 →→→→ N,+3H,, 0+3¢ u

Add a few drops of Liquid Y onto some anhydrðurs copper(TI) sulphate which would “turnal from white to blue ont some anhydrous cobalt(11)chloride which would turn from blue to pinke Quichline, CHÚC CH the used to dry

(1): Therejs

reaction because armoni a caṇuot reduced

Zinc (11)oxide. (2) Yes, there is a

5Pb0+2%Uz

The

ure lead beads, water and nitrogen gas.

Solution to 0.14

(a) The apparatus

glass retort

Ny+31[..0+3pb

alled

磔逸蘇陳張傑蜜籣鄰:

(B) Liquid I is the fuming

nitric acid.)

(e) The equation is.

KHSO4 + HNO3

(1) The substance- nitrogen

djoxides, NOg.

(e) The equation is:

4 HINO 2H11⁄2 0+4 NÖ1-

(1) It is because the l5

contained in the:

experiment contains dissolped nitrogen

dioxide, so, it becone's Pule-yellow,

(r) The colour cau be repoved

by blowing a stream of aïr

through the liquid L with

glass tube.

(h). It is because at too high,

a temperature, more nitric acid vapour vill decompose to give nitrogen dioxide; (1) It is to cool down the

'nitric acid in order

to avoid excess evaporation of nitric acid which is volatile.

It is because the nitric acid vapour, being a strong oxidizing agent, can attack readily rubber and cork but not the

(K) (1)

copper, dissolves in liquid E with evolution of brown fumes of nitrogen dioxide and a bluish- green solution of copper(rrinitrate is

obtained.

Cu+4UN0→ Cu(NO3)2+2

On evaporating the

filtrate, bluish-green crystals of

copper(IT)nitrate are

to

obtained which, on further strong henting, leconpose give a black powder of copper(11)nxide and more brown fumes of nitrogen dioxide.

2Cu(N0,),(8) → 2Cu0+4NO2

(ii)Browu fumes of nitrogen

dioxide, are seen as nitri e neid oxidizes sope the sulphur to sulphuric acid;

S+6]IXOz→→→H2SO,

After filtering, the

filtrate contains sulphuric acid which will give white precipitate of barium sulphate when acidified barium chloride. nolution is added BaC1, +HI2SO, →→→ Ba50, (s).

+2HCl(aq)

Solution to 0.12

(a) X is dinitrogen

Y is oxygen gas. (b) is lead(II oxide.

(傷外孖寶第三首)

# 432-7 6 3

公脅應琪得

商錝爐施賓

(c) 2pb(N0g)o→ 2PbO+4NO

(d) Lead(11)nitrate is

canhydrous vuite

copper(II)nitrate is

hydrated. On heating,

water of crystallization will be liberated which

can dissolve any

dinitrogen tetroxide evolved..

(e) It is because in this way

any dinitrogen tetroxide in oxygen gas vill dissolve in vater.

(1) When lead (11)oxide

added into adsliite

sulphuric acid, a coat of the insoluble,

on-Lead(TT)oxide, thus

lead(JT)sulphate is formed:

reaction. kie same thing

stopping any further

happens when lead(11)oxide.

is added into di Tute

hydrochloric acid, but the insoluble substance

formed

is lead(11)chloride, in However, leadFloxide reacts with dilute nitric

acid to give

lead(li)nitrate, which is soluble in water.

(g) (1) The plf of the

(i) ar

solution will

smaller than 7 acidic.

Nitric acid and

-nitrous acid are

formed.

(iv) The oxidation

124

日十三月一十年九七九一圈公年八十六國民華中

NNNNG

酸的蟲

評分編班 四匹英國馬抵港 量

法蹄

國食

馬蹄金勁力甚強

法國領袖有脾氣

·

的棉入第一班,兩匹兩場的攝入第二班。 賁白禮仕隨即評定分數,並予以編班,兩匹三歲),生燃送崴水準,頭 四四島購遞衪的英國,昨已運抵馬會評務,街,樱延圣男,三甲必

亦不少。 ;

- 馬縮金平出

·參加馬匹頗多,精彩

作及沙田最後媽跑、

四匹英國媽爬過區該檢俊之後便可蝨入各一次仍難認過,好好鳟

我贊。

:我將骝號評分及分餾表列如下+:

第三場

八五

新班班船班,

摩獸王颧

·狀態已頗再酒。

·金碧由加利主試:

走势臏附自然,勁力强 段廿七秒九 - 按衆而就“

- 任脂特科糧到,搶先出操 三段一分钟11-

群,力桉上雀增强當有坐位一半阻快母正十七秒,未段女七秒九,快跑洛維茲一

,大成功把態已旅,勇

│邳,美江勁勇 - 爾手太

老敏

駒中寶

| 比較出色。. 過,他移酶患陰影未一秒來我也極八併府同宮,英雄點身省吧, 除,流操欠態,祥劉煥一起來勁力不强,亦得得我已態,體力君强,走來:

英辉潘納·再得助手,同試伞哦一分客零一

- 火氣旺盛,勇 下仍兒衝斯特強,且是頻頻抢弱

·火氣旺染,狀態艏书。

·法國領袖由安渡魯主試,牛一分零二 ,動力已强,但出現斜跑鴐,氧仍是不斷。.. - 朱段廿六钞八,雅緻按櫌而馳。末段速度甚高

·五,末段十七衿二、全程狀錮- 大力扣區,控制.

·孫怡亦由舉加利主試,三段快跑一分廿七秒

第四場 未復舉,上餐水準而已

8-6

強播

̇駒女

大笑已被毀滅

銀玉麒麟投入殿廐

甲,大法官態勇路雄盃」成,鄭力-

沛,走來的都好廊。 送的上游,可望走入三五秒五米段出七秒二,快跑窭應甚佳,按极完 鄉村好友亦由李加湖主艺,三段快跑一分计

2KNO.

The products are

zine (11)oxide, nitrogen dioxide

2Zn(304); ~+20+4.70%

(iii) The products are

silver metal, nitrogen dioxide and oxygen

(iv) The products are

dinîtrögen monoxide. and water

學能推理練習專欄 智慧社提供資料

數字推理

數字推理練習十六

模擬測驗穡完)

選出下列毎題的正確答案,並在它的下面撕· 一橫橼

31.路旁共植樹50株,每兩樹間的距離是8濠

間第5株至第25株之間的距離共多少?

A200

B1924 C168.

D160株 E152株

32,若為米翼是為求以國再減去一,問4米9的

A 25 MAD40

B32 45

C36

(iii) NGOg+liQO→ IIN0g+INO2 33.某牌子的粟米油有三種包装(如下圖),若 要知道那一種最便宜,應用那一種計算方先 #2

numbers of nitrogen 51 INO, and IINO,.

ar +5 and +35 respectively.

ium nitrate and sodium itrite

are obtained. 2NaOM→ NaNO++NaNOy

Grey heads of lead and· carbon dioxide obtained.

2Pb0+C →→→→ 2pb+CO

(3) Formula mass

A先用加法

B.先用減法

C先用乘法

D先用除法:

34 €

8.5

24.2

E比較每種包装的定价

38.82

34.中丙、丁、戊和已大個兒童圍成一 一個圓圈,現從甲起依阅示方向輪流報數間

根40的是誰?

Att

B.G.

线

E 2

35.荷珈是一正方體的長度,它的表面積是付積

A12 a

Bqax

C6a

Dat

L6a"

According to the equation

+0%

36、A車的行单速度是不來的 ·内車的行車速

若三本同時间地向同一日的 地駛去·野車離出發地點90米時,乙車在的

22400cm

:P後20米, 3.前19米

0後19米 T前20米:

R前18米:

|(k) (1)

39. ZGXH V

MNEMOFMP

PM:

0

TH

SG

在下圖中,全部線段的长度是多少?

B-51cm

C.55cm:

D59cm

E 63 cm

42、在下圖中

祝個小正立方體:

A6 B12 C15 18 下列右邊的五個圖形中 在左邊的一图形内

E 24

那一個不可能碗處

由左邊的圖形搅成票

下列五個圖形中,有四個在某方面是期大的 試把不類似的一個選出來的

A:

A

下列船一組圖卡

不可能拼成正方形?

下列第47.48万通平

各開形互有關迷人議

把缺去的龄形鷹出來

47.

48.

PW

RO

家長職業統計园

Q文员和高人

:37:在下圖中,A瓶所盛的水可注滿口瓶20次,

∵B瓶所盛的水可注滿C版2次,若A瓶盛滿 永後,先注滿日瓶4次,問所餘的水仍可注

滿C狀幾次?

上图是某校學生家長的職業統計圖,問那兩 種職業的人數佔全部人數的一半?

P軟師和工

下教師和醫務工人

50. 下用是根據第49题的統計圖繪成的,問B部份

份代表下列那一项37

nag's of

lead(17)nitrate

required to give

P12次

Q14次:

560cm) of oxygen on thermal decomposition

R16次

518次

T20次1

560

B

P教師

Q文具

A

22400*

#16.55g

x(2x331)g

The products are potossium nitrite and oxygen gas

先看下列按次序排列的英火字母,然後解答 38、3940三題20

ABCDEEGHIJKLMNOPQRS

TUVWXYZ

38: A CEG IK

SJ

1DE3AESBR7PTRADS SOEDBCAWABAGSORŒTROQ ̈

AOCHD2DBD CATZQBQOSOT ADOBEDUCACOSOPO TOROS

@BODOCOEODOTOFOPOROS

RH

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