高中化学学业水平测试模考卷(High school chemistry proficiency test module test paper)
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高中化学学业水平测试模考卷(High school chemistry proficiency
test module test paper)
Test mode level of high school chemistry academic papers
This volume may be used in H:1 C:12 O:16 Na:23 relative atomic
mass Mg:24
Al:27 Fe:56
A single choice: in 4 options for each question, only the 1
option is to meet the requirements (this part of 23 questions,
each question 3 points, a total of 69 points).
1. protect the environment is a basic policy of our country.
The following practices, is not conducive to environmental
protection ()
A. arbitrary discharge of sewage B. promote the use of coal
desulfurization
C. reduce vehicle emissions D. promote the use of non phosphorus
detergent
2. the following is true (Chemistry)
Schematic diagram of A. sulfur atom structure:
Electronic B.H2O:
The structure of C. ethanol molecules: C2H5OH
Ionization equation D. ferric sulfate (SO4): Fe2 3 =2 + 3SO42
- Fe3+
3. the following about the substance of expression is correct
()
A. acid: those who can produce the H+ compounds
B. base: those who can produce compounds - OH
C. salt: metal cations (or equivalent cations) compounds and
ions.
D. oxide: all compounds containing oxygen
4. the following phenomenon or the fact that the same principle
is available to explain ()
A. iron were added there were no obvious phenomenon of
concentrated sulfuric acid and sodium hydroxide solution
B. hydrofluoric acid and sodium hydroxide solution can dissolve
silica
It has a bleaching effect C. hypochlorous acid and sulfur
dioxide, can make the magenta solution.
Adding MnO2 or FeCl3 solution D.H2O2 solution can increase the
reaction rate
5. the following reaction for industrial production (is)
A. sodium combustion in chlorine to generate B. sodium chloride
and lime milk preparation reaction of chlorine bleach
C. ammonium chloride and calcium hydroxide were heat ammonia
D. concentrated hydrochloric acid and manganese dioxide
chlorine heat
6. the following reaction ion equation is correct (writing)
A. with acetic acid to remove scale: CaCO3 + 2H+ = Ca2+ + H2O
+ CO2 =
Magnesium Oxide B. with dilute sulfuric acid reaction: MgO+ 2H+
= Mg2+ + H2O
C. production of printed circuit board using etching method:
Fe3+ + Cu = Fe2+ + Cu2+
Dilute sulfuric acid and D. reaction of barium hydroxide
solution: H++ SO42+Ba2++OH=BaSO4: +H2O
7. the following reaction is a redox reaction (is)
A.2Al2NaOH2 2NaAlO2+3H2 = H2O
B.
h2so4+2naoh na2so4+2h2o
c.nh3 nh4cl + hcl
d.2nahco3 co2↑ na2co3 + + h2o
8.有关氧化还原反应的表述正确的是 a.氧化还原反应的实质是化合价发生变化 ()
b.有单质生成的分解反应一定是氧化还原反应
c.氧化剂是失去电子 的物质 (或电子对偏移)
d.还原剂在反应中发生还原反应
9.某溶液中加入铝粉有氢气生成, 在此溶液中一定能大量共存的离子组是 () ac
、na tp + + 、so42 - 、cl - b (k + 、ca2 + 、hco3 - 、cl -
c.nh4 + 、cl - 、ca2 + 、no3 d.fe2 + 、na + 、so42 - 、no3 -
10.设na表示阿伏加德罗常数的值, 下列叙述中正确的是 ()
a.1.7 g的ohˉ 离子中含有的电子数为0.1.
b.常温常压下 (l氧气中所含有的原子数为na
g金属镁变为镁离子时失去的电子数为0.1 c.2.4.
d.常温常压下, 48 g o3含有的氧原子数为3.
11.下列叙述正确的是 ()
al>mg>na>h a.原子半径.
nh3>ph3>h2s>hcl b.热稳定性.
hclo4>h2sio3>h3po4>h2co3 c.酸性.
f>o>n>c d.元素非金属性.
12.w、x、y、z为短周期元素, 在周期表中的位置如下图所示, w、y两种元素的原子核外电子数之和等于z原子的核电荷数.有关说法不正确的是 ()
w
x x x x x x x
y
z
a.w的氧化物有多种形式
b.x元素形成的单质不止一种
c.y元素位于第Ⅶa族最高化合价为 + 7价
d.z的最高价氧化物对应的水化物是一种强酸
13.用下列实验装置完成对应的实验 (部分仪器已省略), 能达到实验目的的是 ()
14.下列操作中, 溶液的颜色不发生变化的是 ()
a.碘水中滴加淀粉碘化钾溶液 b.向沸水中滴加饱和三氯化铁溶液
c.蛋白质溶液中滴加浓硝酸 d.碳酸钠溶液中滴加盐酸
15.下列除去杂质的方法正确的是 ()
物质
杂质
试剂
主要操作
a
sio2
fe2o3
盐酸
过滤
(b)
co2
co
o2
点燃
(c)
fecl2溶液
fecl3
cu
过滤
(d)
ch3ch2oh
h2o
na
蒸馏
16.下列说法中正确的是 ()
2·8h2o晶体与nh4cl晶体混合反应是吸热反应 a.ba (oh)
b.