育教伊華頁三第張五第日六十月九年多幸櫪萝 WAH KIU YAT PO
1972
興文中學會考試題預習專欄道書院主编编
化學科
-(-)
聯提早到埃
各組主理人
SEVSBER
hemistry
The Chemistry Examination in the Hong Kong School
Certificate Examination (English)1972 will consist of
one paper of 24 hours.
The paper will be in two Sections A and B. Section A will consist of Multiple choice quest- fons all to be ad
Section will include a variety of questions and
choice will be allowed.
It is hoped that a series of exercises, which will appear every week in this paper, will help the readers to prepare for the examination in May, 1972. Answers to the exercises will be given in the next isene.
報日橋
|||||| 3- NOV 1971
KE CITY
KARY
HALL
台、池、浴
“九龍方面,尖沙咀
Y
GETT
A RARE P7
FRYSENS
TUREN. WAZI
土本月中旬藏止,有
LEILA NA
三期星日三月一十年一七九一宝公三十六国民营下
一九五二年以來
DRYSLERTS
下午三時三十分主,
+HEYROST
ERSCHAISES
先生 LEGYNNESSE
中大校外函授課程將開課 杨外泡底部十六咲狀。下午三時正在諾正中 《泡获》中文大學一年我事研究大會京太日 有興趣選讎者宜儘速報名
所對論,氣 聘主運入,運各
165 - AICHEYAN HC-GZXTERI
,定一切。 晦院屮7分前百社會塲 主国人患日市十二
HUSMAAKHENFITAREN
1972
中文中學會考試題預習專欄 C
UREBONE L
IKE
∴ 分請政府首長及商界名流消
台灣至日到没驚無會外,於本月十二日,在魏院校合
CODEINKBEGER-ORSKIERTUETEN-E
本月十二日辦騶術性研討會 合書院慶祝創校十五周年
745-19XFENE****• MESINNANNIERS HAKHAVISPWANGESE••F7KEXAE - BENIK •
Re
BEBEKR
SENRE
BEHENKKENR..
BERKAHA...
在暴及就會料导学院院
SERENGE 無果驚科健先生..
JAHOVIKKE FRATRESN
·钢禇源養之因果
ENFE
BRETA ISHON
She saw her old friend at the party. She wana very glad. (Use to see")
(1) The proton
carries a negative charge.
carries a positive charge
carries no charge.
is about the same weight as an electron,
The nautron
carries a negative charge.
carries a positive change
carries no charge
18 about the same weight as an electron
(3) The electron.
Carries a negative charge. carries a positive charge carries no charge is about the same weight:
a pro
The hydrogen
gen atom is made up of
(a) one proton and one electron
(b). one proton, one neutron and one electron
two protons and one electron
one neutron and one electron
An electrically neutral atom containe
An equal number of protons and neutrons
b
An equal number of protons and electrons.
An equal number of neutrons and electrons differant numbers of protons and electrons.
(6) The helium atom is electrically neutral because
there are two electrons and two protone. there are two protons and two neutrons there are two protons and two neutrona there are two neutrone in the nucleus of the atom
atomic number of a particular element is
the number of neutrons in the electricall neutral atom
the number of electrons in the cation. the number of atoms in the molecule
the number of protons in the electrically neutral atom..
(8) A cation is an ion with
(9)
an excess negative charge
an, excess number of neutrone
an excess positive charge in the nucleu
one more proton is the nucleus
anión is an ion with÷
an excess negative charge
an excess number of neutrons
an excess positive charge in the nucleus
one more electron in the ion.
(10) Isotopes or an element such as hydrogen
denterium, and tritium, contain
different numbers of atoms in the molecule different numbers of electrons in the atom (o) different numbers of protons in the atom (d)different numbers of neutrons in the atom.
(11), Isotopes or an element occupy the same position
in the periodic table because
they have the same Physical properties they have the same. Chamical properties they have the same atomic number b they have different numbers of neutrons in the atom.
英文科(一)
許藩芳
ENGLISH (1)
Beginning from to-day's issue, our paper will provide the readers, in this column: every Wednesday, with some exercises on English, which, the compiler believes, may be found helpful to thom who are going to sit for the Chinese School, Certificate Examination next year.
ag
The compiler regrets that no attempt will be made to deal with Paper I, which, if included, would mean nothing but a compilation of essays and letters Model answers will be given in the next Wednesday!a issue, but no explanation will be given unless absolutely necessary.
4. Rewrite the sentences without changing the
meaning, following the instructions given in the brackets Alternatións or additions may be made. if necessary.
Example: Mary promised that she would not te 11/
anyone my secret.
(Use to tell")
Mary promised not to tell-anyone "secret.
"Mary, will you come Baid John. (Use
see me to-BOTTOW?"
The teacher said that the pupils should not talk in the glans. (Use to talk")
He was crossing the road, a car knocked him down. (Combine beginning with "crossing"
contains many 'consiste".
John was Bick. He did not attend school, (Use "because of")
I hope I shall have a holiday (Use "Look
They worked as (Vae until").
was
could not solve the
problem.
(14) The maximum number of
ctrons in the Kaheil
POOD
His father did not allow him to go out to (Use topped"),
Give the proper form of each of the verbs in brackets
xample: I went homewards, (resolve) resolved]
get my money (change) changed.
The house in which I (live) not belong)
at present
to me, but (own) an overseas Chinese, who (return Hong Kong three years ago.
Never (step)
road without (Look). if anything (come)
off the pavement into the
both waya
3. The neighbours, (hear)
come).
what (happan) flocking to my house.
1. Your story (interest)
Indeed, I (interest) (interest) (Find)
by (oheat)
me very much. in your story, which
to everybody
that he could easily make a living
the young man stopped (work)
as a watchman..
There was a carriage (wait)
stution, (pull)
It (be) (read) (chat)
for us at the by two black horses.
very noisy last night. While It my favourite story-book, the boys) and (laugh)
and the baby
How you (feel)
yesterday? You (feel)
better "to-day?
When he
(find).
out of the window, ha? that the sturs (twinkle) By this time to-morrow he (arrive)
Macau
Insert prepositionss
He is hoping
Don't put off to-day.
Don't spit
diable dollars.
ter days
to-morrow, stazt
the floors offendera are
two hundred,
a penalty.
4. The man fell flat
breathe
The old man was hard
A coolie lives
Beware
8. I took my way
nearing»]
hand
pickpocksta
now
its busiest.
Jack was
10 I am proud.
pride
making an engineer
my students, that £87I TAKO them.
(18) The sodium chloride crystal contaian”
atoms of sodium and chlorine.
a network of interatonic bonda]Į molecules of sodium chloride sodium ions and chloride dons,
(15) The maximum number of electrons
(19)
(12) Isotopes of an element
show no difference in rhysical properties b) differ in the weights of the atoms
differ in the number of atoms the molecule differ very much in Chemical behaviours
(13) Neon is nonreactive because
(a)
there 8 electrons in the L shell, which fl stable
it is an inert gas
the atomic number is 10
Exercise
the atom can easily gain or lose one
10% 18 32
(16) The atonic number of sodium is
30 23
11
12
(17) The atomic mass of sodium
10 23
11
12
cbon dioxide is a covalent compound, because
the bondings are due to electrostatic attractions between the ions
the bondings are due to
electrostatio
attractions between atoms
(c) the pondings between the
the atoms are brough
about by mutual sharing of electrona
there are eight electrons surrounding each of the atoms in the molecule..
(20) Which of the following compounds is not covalent
Oxygen
(b) Hydrogen chloride
Kammonia
Sodium chloride
Nitrogen