1.推断题- (共1题)

(1)则甲的化学式为_____。(2)写出①②反应的化学方程式_____,_____
2.简答题- (共1题)
3.单选题- (共13题)
A.区别硬水与软水常用肥皂水 | B.未开启的地窖、窖井,不可冒然进入 |
C.加碘食盐的“碘”是指碘元素 | D.小孩经常咬铅笔,会导致铅中毒 |
4.选择题- (共6题)
Denali National Park, Alaska
History
Within Denali National Park, the Toklat River will always have a special significance, as it was the location where naturalist Charles Sheldon built a cabin and was so moved that he fought to preserve the land. He moved back east and spent nine years lobbying (游说)to create Alaska's first national park.
When to Visit
To avoid the crowds, visit in June, but keep in mind that there are up to 21 hours of sunlight in Alaska in summer. If it seems like a bit much for your taste, try visiting in late August or September.
If you visit to climb Mount McKinley, May and early June are the best times to climb.
Major Attractions
It is difficult not to see Denali's largest attraction towering 20,320 feet high. Mount McKinley can even be seen up to 70 miles away on a clear day. If you brave the climb to the top, you will be rewarded with charming views of the Alaska Range.
Sable Pass is a prime spot to view grizzly bears. Closed to off-road foot traffic, the area is popular for bears feeding on berries, roots, and even occasionally on other mammals.
Beginning at just below the summit of Mount McKinley, Muldrow Glacier flows 35 miles through a gorge and across the tundra. Twice in the last hundred years, the Muldrow has surged (涌动), most recently in the winter of 1956-1957.
Accommodation
Five campgrounds are located within the park, and many are open from late spring to early fall.Note: reservations are strongly recommended during summer. Riley Creek campground is open all year round, and all but two (Sanctuary and Wonder Lake) offer RV (可供居住的大篷车)sites.
Also within the park are a few lodges (旅馆)—North Face Lodge, Denali Backcountry Lodge and Kentishna Roadhouse.
Denali National Park, Alaska
History
Within Denali National Park, the Toklat River will always have a special significance, as it was the location where naturalist Charles Sheldon built a cabin and was so moved that he fought to preserve the land. He moved back east and spent nine years lobbying (游说)to create Alaska's first national park.
When to Visit
To avoid the crowds, visit in June, but keep in mind that there are up to 21 hours of sunlight in Alaska in summer. If it seems like a bit much for your taste, try visiting in late August or September.
If you visit to climb Mount McKinley, May and early June are the best times to climb.
Major Attractions
It is difficult not to see Denali's largest attraction towering 20,320 feet high. Mount McKinley can even be seen up to 70 miles away on a clear day. If you brave the climb to the top, you will be rewarded with charming views of the Alaska Range.
Sable Pass is a prime spot to view grizzly bears. Closed to off-road foot traffic, the area is popular for bears feeding on berries, roots, and even occasionally on other mammals.
Beginning at just below the summit of Mount McKinley, Muldrow Glacier flows 35 miles through a gorge and across the tundra. Twice in the last hundred years, the Muldrow has surged (涌动), most recently in the winter of 1956-1957.
Accommodation
Five campgrounds are located within the park, and many are open from late spring to early fall.Note: reservations are strongly recommended during summer. Riley Creek campground is open all year round, and all but two (Sanctuary and Wonder Lake) offer RV (可供居住的大篷车)sites.
Also within the park are a few lodges (旅馆)—North Face Lodge, Denali Backcountry Lodge and Kentishna Roadhouse.
Denali National Park, Alaska
History
Within Denali National Park, the Toklat River will always have a special significance, as it was the location where naturalist Charles Sheldon built a cabin and was so moved that he fought to preserve the land. He moved back east and spent nine years lobbying (游说)to create Alaska's first national park.
When to Visit
To avoid the crowds, visit in June, but keep in mind that there are up to 21 hours of sunlight in Alaska in summer. If it seems like a bit much for your taste, try visiting in late August or September.
If you visit to climb Mount McKinley, May and early June are the best times to climb.
Major Attractions
It is difficult not to see Denali's largest attraction towering 20,320 feet high. Mount McKinley can even be seen up to 70 miles away on a clear day. If you brave the climb to the top, you will be rewarded with charming views of the Alaska Range.
Sable Pass is a prime spot to view grizzly bears. Closed to off-road foot traffic, the area is popular for bears feeding on berries, roots, and even occasionally on other mammals.
Beginning at just below the summit of Mount McKinley, Muldrow Glacier flows 35 miles through a gorge and across the tundra. Twice in the last hundred years, the Muldrow has surged (涌动), most recently in the winter of 1956-1957.
Accommodation
Five campgrounds are located within the park, and many are open from late spring to early fall.Note: reservations are strongly recommended during summer. Riley Creek campground is open all year round, and all but two (Sanctuary and Wonder Lake) offer RV (可供居住的大篷车)sites.
Also within the park are a few lodges (旅馆)—North Face Lodge, Denali Backcountry Lodge and Kentishna Roadhouse.
5.填空题- (共5题)

(1)氟原子的核电荷数为_____,钙元素的相对原子质量为_____;
(2)X=_____;
(3)A、B、C、D中属于同种元素的粒子是_____(填序号);
(4)A粒子的化学性质与B、C、D中哪一种粒子的化学性质相似_____(填序号).
(1)二甲醚中各元素的质量比_____;
(2)92g二甲醚中含氧元素_____克。
(1)甲同学:点燃红磷立即伸入瓶中并塞上瓶塞.待红磷燃烧停止并冷却后,打开止水夹,观察到集气瓶中吸入水得体积约占集气瓶容积的 .
(2)乙同学:用碳替代红磷,完成上述实验,发现集气瓶内并没有吸入水,其原因是 .
(3)丙同学:向集气瓶中加入少量的 溶液,然后完成乙同学的实验,得到了与甲同学相同的实验结果.

6.实验题- (共2题)

(1)写出编号的仪器名称:①_____;②_____;
(2)实验室常用稀盐酸和石灰石反应制取CO2,该反应的化学方程式为:_____;制取并收集CO2,应选用的装置为_____(填序号)。
(3)如果要检验二氧化碳是否收集满,可将_____。
(4)如图所示装置可用来测量生成CO2的体积,其中在水面上放一层植物油的目的是:_____,植物油上方原有空气对实验结果_____(填“有”或“无”)明显影响.

(5)在加热氯酸钾和二氧化锰混合物制氧气实验中,混合物总质量100g,反应一段时间后,二氧化锰的质量分数由20%变为25%求氯酸钾的分解率。_____。(提示:分解率是分解的质量比原质量)
-
【1】题量占比
推断题:(1道)
简答题:(1道)
单选题:(13道)
选择题:(6道)
填空题:(5道)
实验题:(2道)
-
【2】:难度分析
1星难题:0
2星难题:0
3星难题:0
4星难题:0
5星难题:0
6星难题:5
7星难题:0
8星难题:12
9星难题:4