皮皮学，免费搜题
登录
logo - 刷刷题
搜题
【单选题】
下列关于硫化氢说法错误的是( )。
A.
H2S是无色、具有臭鸡蛋气味的有毒气体
B.
H2S的分子构型是V型，是极性分子
C.
H2S具有较强的还原性
D.
H2S能溶于水，形成二元强酸
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
微信内点击右上角“…”即可分享
反馈
参考答案：
举一反三
【单选题】禽蛋的蛋白质约占( )。
A.
12%~13%
B.
32%~35%
C.
55%~56%
D.
75%~86%
查看完整题目与答案
【单选题】已知25 ℃时，AgCl 的溶度积 K sp=1.8×10 -10 ，则下列说法正确的是
A.
向饱和AgCl水溶液中加入盐酸， K sp 值变大
B.
AgNO 3 溶液与NaCl溶液混合后的溶液中，；一定有 c (Ag + )= c (Cl - )
C.
温度一定时，当溶液中 c (Ag + )× c (Cl - )= K sp时，此溶液为AgCl的饱和溶液
D.
将固体AgCl加入到较浓的KI溶液中，部分AgCl转化为AgI，AgCl溶解度小于AgI
查看完整题目与答案
【判断题】豆粕是目前畜禽最重要的植物性蛋白饲料,约占60%,具有蛋白质含量高、氨基酸丰富且平衡性好等特点,但同时含有胰蛋白酶抑制因子、植物血凝素、非淀粉多糖(半乳甘聚糖)、皂角苷和脲酶等抗营养因子。
A.
正确
B.
错误
查看完整题目与答案
【简答题】Healthy eating A r e you a typical ager with parents who always go on and on about what you eat, when you eat or don’t eat and the amount of junk food you consume? Well, your parents are just doin...
查看完整题目与答案
【单选题】下列关于鱼类的说法不正确的选项是 （ ）
A.
鱼类蛋白质含量约为15-20% ，平均为18%左右
B.
鱼类脂肪多由不饱和脂肪酸组成，一般占60%以上
C.
鱼类的矿物质含量丰富，约占8—10%
D.
钙的含量较畜禽肉高，为钙的良好来源。
查看完整题目与答案
【简答题】完形填空 Surfing: It’s Not Just for Boys Any More If you asked high school girls to name their favorite sports, most would probably say basketball or volleyball. I happen to be one of the few girls who wo...
查看完整题目与答案
【单选题】... while it’s more of a PR stunt the keyboards of the future will probably contain at least some emojis. (Para. 6)
A.
… although what the keyboard Swyft Media recently came out with is just a means to attract public attention, the future keyboards will probably include at least some emojis.
B.
… in the future keyboards will include many more emojis than the new keyboard created by Swyft Media has now.
查看完整题目与答案
【简答题】... while it’s more of a PR stunt the keyboards of the future will probably contain at least some emojis. (Para. 6)A. … although what the keyboard Swyft Media recently came out with is just a means to...
查看完整题目与答案
【单选题】已知25 ℃时,AgCl的溶度积K sp = 1 . 8 × 10 -10 ,则下列说法正确的是(　　)
A.
向饱和AgCl水溶液中加入盐酸, K sp 变大
B.
AgNO 3 溶液与NaCl溶液混合后的溶液中,一定有 c (Ag + )= c (Cl - )
C.
温度一定时,当溶液中 c (Ag + )· c (Cl - )= K sp 时,此溶液中必有AgCl的沉淀析出
D.
将AgCl加入到较浓的KI溶液中,部分AgCl转化为AgI,因为AgCl的溶解度大于AgI的
查看完整题目与答案
【单选题】... while it’s more of a PR stunt the keyboards of the future will probably contain at least some emojis. (Para. 6)
A.
… although  the keyboard Swyft Media recently came out with is just a means to attract public attention, the future keyboards will probably include at least some emojis.
B.
… in the future keyboards will include many more emojis than the new keyboard created by Swyft Media has now.
查看完整题目与答案
相关题目：
【单选题】禽蛋的蛋白质约占( )。
A.
12%~13%
B.
32%~35%
C.
55%~56%
D.
75%~86%
查看完整题目与答案
【单选题】已知25 ℃时，AgCl 的溶度积 K sp=1.8×10 -10 ，则下列说法正确的是
A.
向饱和AgCl水溶液中加入盐酸， K sp 值变大
B.
AgNO 3 溶液与NaCl溶液混合后的溶液中，；一定有 c (Ag + )= c (Cl - )
C.
温度一定时，当溶液中 c (Ag + )× c (Cl - )= K sp时，此溶液为AgCl的饱和溶液
D.
将固体AgCl加入到较浓的KI溶液中，部分AgCl转化为AgI，AgCl溶解度小于AgI
查看完整题目与答案
【判断题】豆粕是目前畜禽最重要的植物性蛋白饲料,约占60%,具有蛋白质含量高、氨基酸丰富且平衡性好等特点,但同时含有胰蛋白酶抑制因子、植物血凝素、非淀粉多糖(半乳甘聚糖)、皂角苷和脲酶等抗营养因子。
A.
正确
B.
错误
查看完整题目与答案
【简答题】Healthy eating A r e you a typical ager with parents who always go on and on about what you eat, when you eat or don’t eat and the amount of junk food you consume? Well, your parents are just doin...
查看完整题目与答案
【单选题】下列关于鱼类的说法不正确的选项是 （ ）
A.
鱼类蛋白质含量约为15-20% ，平均为18%左右
B.
鱼类脂肪多由不饱和脂肪酸组成，一般占60%以上
C.
鱼类的矿物质含量丰富，约占8—10%
D.
钙的含量较畜禽肉高，为钙的良好来源。
查看完整题目与答案
【简答题】完形填空 Surfing: It’s Not Just for Boys Any More If you asked high school girls to name their favorite sports, most would probably say basketball or volleyball. I happen to be one of the few girls who wo...
查看完整题目与答案
【单选题】... while it’s more of a PR stunt the keyboards of the future will probably contain at least some emojis. (Para. 6)
A.
… although what the keyboard Swyft Media recently came out with is just a means to attract public attention, the future keyboards will probably include at least some emojis.
B.
… in the future keyboards will include many more emojis than the new keyboard created by Swyft Media has now.
查看完整题目与答案
【简答题】... while it’s more of a PR stunt the keyboards of the future will probably contain at least some emojis. (Para. 6)A. … although what the keyboard Swyft Media recently came out with is just a means to...
查看完整题目与答案
【单选题】已知25 ℃时,AgCl的溶度积K sp = 1 . 8 × 10 -10 ,则下列说法正确的是(　　)
A.
向饱和AgCl水溶液中加入盐酸, K sp 变大
B.
AgNO 3 溶液与NaCl溶液混合后的溶液中,一定有 c (Ag + )= c (Cl - )
C.
温度一定时,当溶液中 c (Ag + )· c (Cl - )= K sp 时,此溶液中必有AgCl的沉淀析出
D.
将AgCl加入到较浓的KI溶液中,部分AgCl转化为AgI,因为AgCl的溶解度大于AgI的
查看完整题目与答案
【单选题】... while it’s more of a PR stunt the keyboards of the future will probably contain at least some emojis. (Para. 6)
A.
… although  the keyboard Swyft Media recently came out with is just a means to attract public attention, the future keyboards will probably include at least some emojis.
B.
… in the future keyboards will include many more emojis than the new keyboard created by Swyft Media has now.
查看完整题目与答案
参考解析：
知识点：
题目纠错 0
发布
创建自己的小题库 - 刷刷题