连云港市20252026学年第一学期高三期中调研考试化学试题于2025-11-13发布,目前免费查试卷答案网站已经汇总了连云港市20252026学年第一学期高三期中调研考试化学试题的各科答案和试卷,更多试卷答案请关注免费查试卷答案网站。

试题答案

本文从以下几个角度介绍。

    1、2024连云港高三期中考试化学
    2、2024年连云港市化学中考试卷及答案
    3、连云港2024高三第二学期期初
    4、2024年连云港市化学中考试卷答案
    5、连云港市2024高三第二次调研考试
    6、2024年连云港中考化学试卷及答案
    7、2024连云港高三期中
    8、2024连云港市化学中考试卷
    9、2024连云港高三化学期中
    10、2024年连云港市化学中考试卷答案及其解析

2、连云港市2025-2026学年第一学期高三期中调研考试政治试题


4、连云港市2025-2026学年第一学期高三期中调研考试化学试题


( )11. Do you have one ______ that you feel proud of yourself as a Chinese
A. difference B. moment C. programme D. drama
( )12. —I have found a ______ way to deal with the mess.
—Hope everything goes well again.
A. fantastic B. mysterious C. appreciative D. interesting
( )13. We will have a ______ sale next week to collect money to help those in need.
A. cheap B. expensive C. recent D. charity


八、跨学科成语故事阅读短文,选择正确的答案。(10分)
Long long ago, there was a king. He liked listening to music. He liked many Yu players(乐师) to play together.
Some Yu players came to play for the king. But the king was not happy. “How many players ” asked the king. The king's servant(仆人) counted(数) them and said, “Fifteen.”“I want more.” Then more and more(越来越多的) players came here. Sixty, seventy, eighty,ninety and one hundred.
Wuzi couldn't play the Yu. But he came too. He played for the king for many years. The old king died(去世). The new king liked music too. He asked the Yu players to play one by one quietly. Wuzi ran away.
( )1. How many Yu players at last
A. Fifty. B. One hundred. C. Fifteen.
( )2. The old king was not happy. Why


1、连云港市2025-2026学年第一学期高三期中调研 生物学试题


5、连云港市2025-2026学年第一学期高三期中调研考试语文试题


3、连云港市2025-2026学年第一学期高三期中调研考试英语试题


4、连云港市2025-2026学年第一学期高三期中调研考试英语试题


2、连云港市2025-2026学年第一学期高三期中调研考试物理试题


1、连云港市2025-2026学年第一学期高三期中调研考试物理试题


C ①和③中H2O的状态不同,化学计量数不同 a、c不会有任何关系
D ③的化学计量数是②的2倍 ΔH2<ΔH3
答案:A
解析:①和②中由于生成的水的状态不同,故ΔH不同,即a、b也不同,B项错误;①和③中由于气态水转化为液态水要放热,故c>2a,C项错误;②和③中因ΔH3=2ΔH2,且ΔH2、ΔH3均为负值,故ΔH2>ΔH3,D项错误。
2.肼(H2NNH2)是一种高能燃料,有关化学反应的能量变化如图所示。已知断裂1 mol化学键所需的能量(kJ):N≡N键为942、O==O键为500、N—N键为154,则断裂1 mol N—H键所需的能量(kJ)是(  )
A.194 B.391 C.516 D.658
答案:B


第一节 水与水溶液
第2课时 水溶液的酸碱性与pH
1.(24-25上·甘肃·期中)25℃,0.05的硫酸溶液的pH为
A.4 B.3 C.1 D.2
【答案】C
【详解】0.05硫酸中,则pH=-lg,故选C。
2.(24-25上·安徽合肥·期中)下列关于电解质溶液的叙述正确的是


3、连云港市2025-2026学年第一学期高三期中调研考试生物答案