2013年成人高考高升本《物理化学综合》权威预测试卷(六)
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下列加入的物质起催化作用的是( )
- A. 电解水时,加入少量KOH,电解速率加快
- B. Zn与稀硫酸反应时,加入几滴CuS0<sub>4</sub>溶液,产生H2速率加快
- C. 皂化反应后,加入食盐细粒,加快肥皂析出
- D. 双氧水中加入Mn0<sub>2</sub>粉末,产生气泡明显增多
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在标准状况下,mL氖气所含的原子数目和多少氢气所含的原子数目相等( )
- A. <img src="//img1.yqda.net/question-name/fe/a83876b610eeb0f1a91241b3adbbc1.jpg" alt="" border="0" />
- B. <img src="//img1.yqda.net/question-name/6e/b451dc8f51716c32a84322d2297e97.jpg" alt="" border="0" />
- C. <img src="//img1.yqda.net/question-name/45/5dbfd9098825eb1c6f5dd2bad10505.jpg" alt="" border="0" />
- D. <img src="//img1.yqda.net/question-name/52/a8de0fd91545aa810d91b5df849b37.jpg" alt="" border="0" />
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有一恒力F施于质量为m1的物体上,产生的加速度为a1,施于质量为m2的物体上产生的加速度为

- A.<img src="//img1.yqda.net/question-name/7b/bd0cc7fc95247e91de6fc2e86da2b0.gif" alt="" border="0" />
- B.<img src="//img1.yqda.net/question-name/99/365183ee718a18117a0b3255bf0304.gif" alt="" border="0" />
- C.<img src="//img1.yqda.net/question-name/63/95cb1e801e5ae72a262e2ec315c776.gif" alt="" border="0" />
- D.<img src="//img1.yqda.net/question-name/6e/a0f43c78442b7663a6da09e4d51ec2.gif" alt="" border="0" />
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- A.<img src="//img1.yqda.net/question-name/7f/f3f0140b45ddb8fcb4169789ebf491.jpg" alt="" border="0" />
- B.<img src="//img1.yqda.net/question-name/63/9317df3186dd775f72adf503a150ad.jpg" alt="" border="0" />
- C.<img src="//img1.yqda.net/question-name/a7/9c8d9ac3f84a193df85eddb543d5bb.jpg" alt="" border="0" />
- D.<img src="//img1.yqda.net/question-name/7d/11544870dcede16c1d2fe88dc415ff.jpg" alt="" border="0" />
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- A.<img src="//img1.yqda.net/question-name/99/1883b39c5eb78a11a6f35cc7e9eb2c.gif" alt="" border="0" />
- B.<img src="//img1.yqda.net/question-name/a6/fa7be999e3289633ac9f36ef481a9d.gif" alt="" border="0" />
- C.<img src="//img1.yqda.net/question-name/c8/90d56d8f22c6069afc4d566f01cc62.gif" alt="" border="0" />
- D.<img src="//img1.yqda.net/question-name/96/0723b2853f97d3fd6fbd5a345e316c.gif" alt="" border="0" />
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- A.<img src="//img1.yqda.net/question-name/b9/75933444302c9b6f363fa5617ac77d.jpg" alt="" border="0" />
- B.<img src="//img1.yqda.net/question-name/db/a73c280ec0be633763aa6bc5111bfc.jpg" alt="" border="0" />
- C.<img src="//img1.yqda.net/question-name/77/ad1f79026fca929c77550198ae1a66.jpg" alt="" border="0" />
- D. NaClO
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图9—7是将滑动变阻器用做分压器的电路,A、B为分压器的输出端,若把变阻器的滑动片放在变阻器中央,下列判断不正确的是( )
- A.<img src="//img1.yqda.net/question-name/46/edbe10c64eaeeedfc44cbfd5b4c132.gif" alt="" border="0" />
- B.<img src="//img1.yqda.net/question-name/7e/2f5c9b6f2086b924e97e7732d74dcc.gif" alt="" border="0" />
- C.<img src="//img1.yqda.net/question-name/de/3a69247b4a8c8f32059ab1d34af69f.gif" alt="" border="0" />
- D.<img src="//img1.yqda.net/question-name/cc/c0f40d6dc8aa6474313a667a7ec126.gif" alt="" border="0" /> <img src="//img1.yqda.net/question-name/f9/ebdb29fc9b8d0b387a6ed47e4c2bbd.jpg" alt="" border="0" />
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常温常压下,下列气体在水中溶解度最大的是( )
- A.<img src="//img1.yqda.net/question-name/08/23d459e61fd37e6d562dbcc3ff5f85.jpg" alt="" border="0" />
- B. NO
- C.<img src="//img1.yqda.net/question-name/c6/fe3e310755359d14f3e77eb6b76290.jpg" alt="" border="0" />
- D.<img src="//img1.yqda.net/question-name/df/ce4cf00442c504b91015efd8e6c835.jpg" alt="" border="0" />
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- A.<img src="//img1.yqda.net/question-name/c5/6d5dec5430dbcf5434329de1f30ee9.jpg" alt="" border="0" />
- B.<img src="//img1.yqda.net/question-name/98/7c7530c1c7f2e9476042ccce8c4ef4.jpg" alt="" border="0" />
- C.<img src="//img1.yqda.net/question-name/2d/6e46414b3ed555ad0ff25d790d3e95.jpg" alt="" border="0" />
- D.<img src="//img1.yqda.net/question-name/45/4712986be18083bfd932793fdf0fd1.jpg" alt="" border="0" />