Extremes of pH can damage human tissues. Reflux is simply the effect of stomach acid damaging the esophagus. Several strong acids and bases can be found around the home. Lye is strong base used for a variety of purposes around a house. Lye can also damage tissues. What effect does lye have on pH ? A. Decrease pH B It does not change pH (C) Increase pH

57. Rappresenta le equazioni delle seguenti reazioni specificando il nome dei prodotti. \( \begin{array}{ll}\text { a) ossidazione dell'esano } & \text { c) dibromurazione dell'esano } \\ \text { b) monoclorurazione del butano } & \text { d) ossidazione del propano }\end{array} \)

What does word root indicate in IUPAC name? b. Write the suffix for doubly bonded \( (\mathrm{C}=\mathrm{C}) \) alcohol. c. Ifsame substituent is repeated thrice, which prefix is added to word root? \& Write IUPAC name of \( \mathrm{CH}_{3}-\mathrm{CH}(\mathrm{CI})-\mathrm{CH}_{2}-\mathrm{COOH} \). e. Which group is selected as suffix if -OH and -CHO both are present in the compound?

5 What is meant by the term hygroscopic when referring to brake fluid?

3. จงอ่านชื่อของสารประกอบต่อไปนี้ 3.1 Bas

The electronic configuration of one element is \(1s^ 2 2s^ 2 2p^ 6 3s^ 2 3p^ 6 3d^ { 10} 4s^ 1\). What is same group which is recently discovered?