[百师联盟]2025届高三联考(3月)物理答案于2025-03-07发布,目前免费查试卷答案网站已经汇总了[百师联盟]2025届高三联考(3月)物理答案的各科答案和试卷,更多试卷答案请关注免费查试卷答案网站。

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本文从以下几个角度介绍。

    1、2024百师联盟第二次联考物理
    2、百师联盟2024高三冲刺卷二物理

5、[百师联盟]2025届高三联考(3月)历史试题


4、[百师联盟]2025届高三联考(3月)历史试题


—____
A.Yes, I can. B.Well done. C.Good idea.
6.—Can you play football
—____
A.No,I can.
B.Yes, he can.
C.No,but I can try.


Having made the decision, Keith quickly grabbed the handphone and put it in his schoolbag. Then, he took Mary’s hand and led her out of the cafe quickly.
Once back home, Keith locked his house door with trembling hands. Inside his room, he took out the piece of beauty. Oh, he liked it so much. Now he had his own handphone. Soon, he was polishing it happily.
But Mary told him, “Keith, you cannot keep the handphone. What will you tell Father about this He will ask you how you got the handphone.”
Keith said quickly, “I will say a friend lent it to me.”
Mary said, “Now you are lying too.” Oh dear! When had Keith turned so dishonest
Then Mary saw a house phone number on the plastic cover of the handphone. “This is the girl’s phone number. Why don’t we just call this number We will talk to her and ask her to come and take back her handphone.” She was trying to talk some sense into him.
注意:


4、[百师联盟]2025届高三联考(3月)历史答案


4、[百师联盟]2025届高三联考(3月)生物学答案


1、[百师联盟]2025届高三联考(3月)语文答案


2、[百师联盟]2025届高三联考(3月)生物答案


5、[百师联盟]2025届高三联考(3月)语文试题


4、[百师联盟]2025届高三联考(3月)生物学答案


解析:浓硝酸易分解,实验室常用稀硝酸洗涤附着在试管内壁上的银镜,A错误;浓硫酸与NaCl固体的混合物可制备HCl,说明浓硫酸的沸点高于HCl的沸点,B错误;弱酸不能制强酸,故将通入溶液中无明显现象,通入水中生成,电离出,在酸性条件下将氧化为,与溶液反应生成沉淀,C错误;酚酞遇碱溶液变红,NaClO在溶液中发生水解使溶液显碱性,且HClO具有漂白性,则溶液先变红后褪色,证明NaClO在溶液中发生了水解反应,D正确。
7.答案:B
解析:二氧化锰和浓盐酸反应制备氯气需要加热,装置不符合,A项错误;过氧化钠和水在常温下反应生成氧气,氧气能氧化硫化钠生成硫单质,该装置和对应的试剂可以完成的价态变化,B项正确;铜片和浓硝酸反应生成二氧化氮,二氧化氮和氢氧化钠溶液发生歧化反应,产物为硝酸钠和亚硝酸钠,不满足的价态变化,C项错误;浓硫酸和亚硫酸钠反应时S元素的价态未发生变化,D项错误。
8.答案:答案:D
解析:铜离子在溶液中呈淡蓝色,则无色溶液中一定不含有铜离子;加入足量过氧化氢溶液并用足量盐酸酸化,有气体产生,说明溶液中含有0.01mol碳酸氢根离子,有沉淀生成说明溶液中一定含有0.01mol钡离子和亚硫酸氢根离子,一定不含有硫酸根离子;加入氢氧化钡溶液,共热产生气体,说明原溶液含有0.01mol铵根离子,产生的沉淀说明原溶液中含有0.01mol+0.005mol=0.015mol亚硫酸氢根离子,由电荷守恒可知,原溶液中可能含有钠离子,至少含有0.005mol氯离子。生成二氧化碳气体的反应为溶液中碳酸氢根离子与氢离子反应生成二氧化碳和水,该反应不属于水解反应,A错误;氨气是碱性气体,可以使湿润的红色石蕊试纸变蓝,B错误;由分析可知,原溶液中可能含有钠离子,至少含有0.005mol氯离子,C错误;由分析可知,原溶液中一定含有0.015mol亚硫酸氢根离子,则溶液中亚硫酸氢根离子的浓度为=0.15mol/L,D正确。
9.答案:C
解析:与70%的浓硫酸反应生成气体,通入溶液中,不发生反应,没有现象产生;将丙中产生的气体通入乙装置中,有沉淀产生,则表明丙中产生的气体可能为,也可能为氧化性气体,所以a、b反应可能产生,也可能产生或等。


(建议用时:40分钟)
考向01 有关实验装置的化学微型实验
1.(2025·四川·模拟预测)一种测定葡萄酒中SO2含量的实验装置如图所示(忽略夹持装置)。
下列说法错误的是
A.缓慢通入N2的目的是尽可能使SO2进入H2O2溶液
B.冷凝管的作用是避免水蒸气进入H2O2溶液影响测定结果
C.用NaOH标准溶液滴定反应后的H2O2溶液可获得SO2的含量


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