精英家教网 > 初中地理 > 题目详情

【题目】下列物质中,前者为化合物,后者为溶液的一组是( )

A.液氧、稀硫酸

B.氯化氢气体、盐酸

C.澄清的石灰水、二氧化碳

D.糖水、海水

【答案】B

【解析】

试题分析:氯化氢气体为化合物,而盐酸是氯化氢气体溶于水后形成的溶液。

练习册系列答案
相关习题

科目:初中地理 来源: 题型:

【题目】

relaxing, on, hour, useful, an, and, finish, from, favorite, after

Dear Jack,

I am very busy1Friday. At 8:00 I have math. It is not fun. The teacher says it is2, but I think it is difficult.3 that, I have P.E. at 11:00. It is easy4fun. Lunch is512:00 to 1:00. I have Chinese at 1:20. It is my6subject. My classes7at 2:00, but then I have8art lesson for two9. It is really10.

How about you?

Yours,

Lucy

查看答案和解析>>

科目:初中地理 来源: 题型:

【题目】下列现象能证明分子在化学变化中可分的是( )

A100 mL水和100 mL酒精混合后总体积小于200 mL

B.打开盛装浓盐酸的瓶盖,浓盐酸逐渐减少

C.气态氧在加压降温时变为淡蓝色的液态氧

D.加热氧化汞得到银白色的汞和氧气

查看答案和解析>>

科目:初中地理 来源: 题型:

【题目】—Mom, I must go now. Peter is waiting for me at the cinema.

—OK! __________.

A. Good idea B. Good luck

C. Have a good time D. Best wishes

查看答案和解析>>

科目:初中地理 来源: 题型:

【题目】从组成上看,溶液是由________________组成的;从质量上看,溶液的质量________溶质和溶剂的质量之和;从体积上看,溶液的体积______溶质和溶剂的体积之和。

查看答案和解析>>

科目:初中地理 来源: 题型:

【题目】C

It is Sunday afternoon. Mary goes to do the shopping with her mother. Her mother wants to buy some food for supper. Mary wants to buy a new skirt and some school things. They come to a shop.

What does your shop sell? Mary asks. A lot of things. The girl in the shop says. You can buy food, drinks, clothes in our shop and school things, too.

Mary and her mother go in. There are many people in the shop. Mary finds a nice white skirt.

How much is the skirt? Mary asks the girl in the shop.

Its eighty yuan.

Thats too dear. Can I find a cheap one?

What about the green one? It looks nice. And its only thirty yuan.

OK, thanks a lot.

You are welcome.

After that, Mary buys some school things, too. Here mother buys a lot of food, like bread, cakes, meat and fish. They get home very late.

【1】Mary wants to buy a new skirt and _________.

A. some food B. some drinks

C. some clothes D. some school things

【2】Mary goes to do the shopping with her mother on ________.

A. Saturday afternoon B. Saturday morning

C. Sunday morning D. Sunday afternoon

【3】Mary buys a _________ skirt.

A. white B. green C. red D. dear

【4】The white skirt is __________.

A. ¥30 B. ¥110 C. ¥80 D. ¥100

【5】 The green skirt is ___________.

A. nice but dear B. nice and cheap

not nice but cheap D. not nice or cheap

查看答案和解析>>

科目:初中地理 来源: 题型:

【题目】下列加速溶解的措施中,能改变固体溶解度的是( )

A.把固体研细 B.加热

C.搅拌 D.振荡

查看答案和解析>>

科目:初中地理 来源: 题型:

【题目】 What do you expect __________ from your hard work?

Nothing, I just want to try my best.

A. get B. got C. getting D. to get

查看答案和解析>>

科目:初中地理 来源: 题型:

【题目】小英在做饭时,发现有很多因素都能影响食盐在水中溶解的速率.

(1)从你能想到的可能影响食盐在水中溶解速率的因素中,写出其中两项,并预测此因素对食盐的溶解速率的影响.

因素________,你的预测________________.

因素________________,你的预测________________.

(2)从你所列因素中选出一个,并通过实验验证你的预测.________________________

查看答案和解析>>

同步练习册答案