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0468英文中學會考試題預習專欄
化學科
( 廿二 )
王錦釗。
日七廿月三年八六九一层合年七十五國民華中
ITSE 100
Conc
HND,
☐ lay
pipe
Oxygen
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1968 中學入學試試題預習專欄
英文科 (廿二)
王挺生、
TEST 21
wonder
presencO
(d) bad
trise
!
He told me 8
Chemistry (22)
1. (a) Nitric acid is prepared in the laboratory by
heating mixture of approximately equal
weights of potassium nitrate and concentrated sulphuric acid in a glass retort. The acid fumes which are given off are condensed and collected in a flask which is coaled by a sons tant flow of water from the tap.
concentrated
KNO2 + H2SOL
•
petas 51, LIED
nitráte
#ulphurio teid
story.
except Henry.
Glass retort
Tine allowed. 20[slautes ..
1. Put a word in each blank. The 'ward' you"wri tu " GALLS*
be the correct form of word given on the left.
examina
All were
She failed in the
The hunter was hurt Please..tell me the
2. If there is one word in each of the following
groups which does not rhyme with the other three
Write it in the space.
rhyme. Write X.
fare, more. where. neer
MELA,
some,
root, foot. put, Boot colour, tour, hour. flover
bird, hard, word,
(e)] third,
(r) hairy, very, Kary, fairy
(e) buy. cry, key, 31
led. seid.
words.
[h) head.
or, by'i
(a)
plum, св
fad
noon
Ifall four words
Thursday.
bus or
3.Pillvinjeach-blank-space-sith-in1⁄4,"on', 'att
(bì Does he come to school
die is hard
2nd Kay,1956,
foot?
(o)His birthday is
work
hay.
grees and horses
fire
the evening.
Cora, live
feed
(f){I like to sit
winter.
{g} Sha is good
EDEXA ED was mask
Chiness.
h) Thất are you laughing
(1)I asually stay
the morning.
1. Under1Ius thé bass'voxu in sach bracket in the
following sentenges.
(a) The soldiers (stap, walk, march, gv) along
the street.
(b) It (feels, seema, minkė, appears) ne la taller
than I.
(6) He has made a (hard, neavy, serious, important)
mistake.
(d) The person mo lives (near, nezt, beside”
besides) to us is our neighbour.
(e) Dr. Sun Yet Siù is a (big, lange, great.
MREL ».
(5) The clock (struck. hit, best. knocked) twelve. Wo can not see clearly on the (wet, rainy. foggy, cloudy) days.
(b) Bveryone (must, ought, would, should) obey his
parents.
(1) They are (rosing, riding, sailing, ɑriving)
boats with long oare.
3. Look at the example and fill in the blank.
Example:
.
holidays in Japan.
I enjoyed my (*) John usually goes to school with
sister.
(b) Mary likes
(a) We spent two hours at
last night.
(d) John and Mary always do
together.
(e) Do you always do
the evening.
new eno8$.
avared
OXOTO100
NoRework in
6. Pill in the blanka from the following list of words.
Do not use any word core than once,
asleep.
fruit. fine. ago. walked, cages, lunch. shilling. tight. Many yearə
Bob had a holiday
in London with his uncle and aunt, One day they went to the 200. They brought sonë cakes
B.PD
with them and
round all the morning, looking at the animals in
Then they sat down under a
After to have their lunch. Bob's anale fall
their big
His aunt's shows were too
for her.
so she did not want to wal; any more. She gave Rob #
to have a vido os an
elephant,
7. Read the following partage Jarofully v
Then school is over and shon work se dane,
it is good for all of us to do something differens,
We have all kində of anusomonte = playing games, going to the cinema. But there are still disas when we cannot have those aduanments.
Then to fors
* regding hobby is useful. For coading gåven un so much pleasure, treine our sinde and ·Inoraznes aux imowledge, ・ If we consider reading se qur favourite pastime and look uyao haoke on Our Goes faithful friends, we will mover Leel lonely. Our friends may die or change; but our, banks are always
·willingly waiting to talk to 19».
Heat
mixture of
conc. H2SO4 and KNO3
wire gauze
KHSOL + HNO3
potassiu
hydrogen
mitrie acid
sulpha to
nátrio acid
Wata from tap
The apparatus used consists entirely of glass because nitric acid attack rubber. an cork.w
આપની જ છે.
The 2010 collects as yellow liquid in choirlask, the yellow colour of the acid being due to the dissolved aftrogen dioxide which is formed by the thermal decompost tert of the nitric acid.
CHNO 3
2H2O NO + O2
Pure nitric acid itself is colourless. Ine yellow colour can be removed by blowing a current of air through the acid.
(b) (1) To show that nitric acid contains
hydrogen, add some ragnesium ribbon to a very dilute solution of nitric acid (about 12-solution), Effervescence will occur and a zolourless gas is evolved which is collected in test-tubes over water.
* * 2N3
+ Bz f
This gas may be known to be hydragen, because if one of the tout-tubes of hydrogen is mixed with sir, the mixture will explode when a lighted taper is put at the mouth of test-tube.
(11) To show that nitric acid contains oxygen. beat some nitric acid with the apps rabue shown in the, dis gran
noa t strongly.
water
The concentratedʼnitric acid=13" poured
drop by drop into the bowl of clay-pipe. As
it flows down the stem, the acid decomposes under the action of heat, and a colourless za: 19 collected in the teat-tube.
LHNO3
M
ZH2O + NO2 → 02
The nitrogen dioxide (brown fumee)` will dissolve in the water. The gas in the test-tube may be shown to be oxygen for it will re-ignite. a weakly glowing splint.
(111) To show that nitric acid contains nitrogen, first, generate some nitric oxide by adding dilute nitric acid to copper, the acid being diluted by mixing equal volumes of bench concentrated acid and water.
+ HNO3
36 U
-
3Cu(NO3)2 + 2N0 † † Lн2O
nitric Oxide
ine nitric oxide @VOLVOG · 18 then passed over heated copper filings, which will reduce the nitric oxide to nitrogen.
2NO +
20u
2000-N2 †
The gas may be anown to be aitrogen for it responds negatively to all the standard tests for gases in the laboratory.
2. Fitrous oxide is prepared in the laboratory by heating a mixture of solutions .of potassium nitrate and ammonium chloride.
PRARIES
There are adilzens of baoke in the world Boy and many new booka are produced and published. each year.
However hard we try, we can only rund some of them.
Then we
So we must choose the right kind of are lonely, we can read some good If we want to know what had happened novela. recently we can read a newspaper dì nong tagazines. When we want to know what had happened in the past. we can choose some bacce on history.
Each of the following statements is about the passage. Underline the word or group of væde which gives the best meaning; **
3. Ame 4. asussaen
(a) Reading is a kind of good
1. work 2. hobby (b) There are
1- a million buoke in the world. 2. more than a millions books in the world. 3. so many books in the world that we could
KSTOT KNOW
слез г питьет
4. ten million copies of baake in the world. [o) If we try hard we can read 2. part of
1. mll of
5. only half of the backs in the soT 14
(d) a zoval is a
1. story book
3. лекарарет
4. u 01111on nopire of
2. history book 4. magazine
(e) à history book setis un
1. something happened recently 2. something happened in the past 5. some maientific knowledge 4. something about a mest man
D. If the FOTO Example ›
ande
16 an *ID* mouna, erika *TD' COLLECTED
If the word ends in a'D' sound, spike 'p'. Bxaanles
If the word
CHANGED one in a ****
WALKED
Bound.
Tite
Krasple:
{a} CROWDED
(b) DEED
(e) WORKED
(d) TIRED
PIRISHED
יזי
9. in the spacee erile the #ords that were apokon.
Jean waid that she liked her dag.
KNO3 + NH4Cl
NH,NO3
T
mixture of KNO and
solution
NHNO3 KCI
armonium
nitrate
N20 + 2820 nitrous oxide
naat
(未完轉入第六張第三頁)
NALPOUS. oxide
L+XM
ATOR
[b] Henry salo that ne wks 201na to macao vita
Jean. (b) "
eald Henry.
(o) Ne asked me if Janat could sneak English.
D
he asked me.
{d} The teacher told David to stand up.
the teacher ordered David.
(*) He asked me where she lived.
•
he asked me.
10. Change the following sentences into questiona
She had made up her mind.
They did hot go there last ni Aeb & .
The old man had hurt somebody.
7t
Be thought that he would pass the examinati an.
The children wanted something to eat.
Answers to TEST 20
1. (E) gentle. (3) purely, (4) warn. (5) awoat, (6)
freshy (7) white, (8) green, (9) pleasant, (10) gala, (11) beautiful.
7. (6) a few, (b) unless. (0) alika, (d) man's, (e)
5.
Doste.
(a) over, (b) since, (o) alike, (a) leaf, (e) if 4. (a) 1, (b) 3. (a) 3. (d) 1. (e) 4.
3. (a) nail, (b) breathe, (c) over, (d) at, (a) about,
(a) for, (b) from, (c) from, (d) to, (e) besides. (f) from, (R) of, (8) of. (1) at, (3) of.
7. (a) The boy's name was Henry. (b) Wait! There is
a car coming. (c) Christmas comes in December, (1) Thursday is the fifth day of the week. (a) Mr. Smith aella butter, sugar, tea and meat.
8. (x) I asked him to come and sèo mẹ, (b) Paris ia
the capital of Franç0, (c) I send a letter everyday (d) I am making a new dress, (e) I shan't have time
to do it.
(b)
9. The room is cleạn by the main every morning."
The lettere have been sent by him. (c) Their quarrel is heard by everybody. (d) It may be seps by them for two weeks. (e) The newspaper la brought to our office everyday.
#1- like my dog.” Joan, saïd, (*) GRAFAN 'Enid Khat, he was weikiso ne s
ung
ICL
isn't it, (b) did she. (o) will not they. sannat he, (e) kuỡ no.