# Yahoo奇摩 網頁搜尋

1. ### Metal: Gold

... purest you can get in jewelry is 24 karat, which is about 99.7% of pure gold . Gold can also be mixed with other metals to change its...

分類：科學及數學 > 化學 2009年11月26日

2. ### gold (10 mark!!!)

...dense, soft, shiny and the most malleable and ductile of the known metals. Pure gold has a bright yellow color traditionally considered attractive. Medium...

3. ### What is gold ?

...dense, soft, shiny and the most malleable and ductile of the known metals. Pure gold has a bright yellow color traditionally considered attractive. Gold ...

分類：科學及數學 > 化學 2008年02月02日

4. ### 請翻譯成英文！謝謝！

...and so on, the 24K gold gold content 99.998%, basically regards as the pure gold , the 22K gold content is 91.665%. The gold quality also may straight...

分類：科學及數學 > 化學 2008年06月24日

5. ### Maths - Ratio (勁人請進~10分)

The gold content of 18K necklace of 24g= 24g x 18/24 = 18g The gold content of 14K necklace of 30.6g = 30.6g x 14/24 = 17.85g Therefore, 18K necklace of 24g contains more gold .

分類：科學及數學 > 數學 2006年10月31日

6. ### Maths(ratio,,20 fun)

首先你要知18k金的黃金成份係佔成條頸鍊的18/(18+6)=3/4 而 14K 金的黃金成份係佔成條頸鍊的14/(18+6)=7/12 咁就計佢地黃金的重量: a 18K golden necklace of 24g有黃金: 24x3/4=18g 而a 14K golden necklace of 30.6 g有黃金: 30.6x7/12=17.85g so a 18K golden necklace of 24g的黃金成份比a...

7. ### 黄金的重量單位

...historical measurement of gold , a fine ounce is a troy ounce of 99.5% (".995") pure gold a standard ounce is a troy ounce of 22 carat gold , 91.66% pure (11 "fine...

8. ### 高二化學題

24k gold is existed. It is an alloy with more than 99.7% pure gold . Other compoents are silver, copper, zinc with a very little proportion

分類：科學及數學 > 化學 2010年01月16日

9. ### 英文譯法-急!!!

足金和千足金的英文是没有分別的﹕ 都係 Pure gold

分類：社會及文化 > 語言 2007年10月29日

10. ### 阿基米德生平(ENGLISH PLZ)

... asked by Hiero II to determine whether a crown was pure gold or was alloyed with silver. Archimedes was ...

分類：文學及人文學 > 歷史 2007年10月26日

1. ### 相關詞

 24k pure gold australian 24k pure gold ampoule