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茶水間日記創挑第二期 - 【31/10 + Day 61】美麗化學2 | Penana
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茶水間日記創挑第二期
ENTRY #1988
Author: 搖晃的芒果醫生 JJA
Published:
Oct 31, 2025
茶水間日記創挑第二期
Published:
Oct 31, 2025
ENTRY #1988
【31/10 + Day 61】美麗化學2
Author: 搖晃的芒果醫生 JJA
Published:
Oct 31, 2025
1 Min Read
145 Words
No Plagiarism!T9VZ9qj9x9EmlP6FNrfgposted on PＥNAＮＡ

大家好，又是我兼職芒果，今日繼續分享化學東西 

K, Na, Ca reacts with reacts with water 

their reaction and observation are as follows 

Potassium reacts with water to give potassium hydroxide and hydrogen gas 

observation:

hissing sound is heard 

colourless gas bubbles are evolved 

potassium dissolve in water to give a colourless solution 

potassium burns with a lilac flame 

potassium melts into a silvery ball 

Sodium 

Sodium reacts with water to give sodium hydroxide and hydrogen gas 

observation:

hissing sound is heard 

colourless gas bubbles are evolved 

sodium dissolves in water give a colourless solution 

sodium burns with a golden yellow flame 

sodium melts into a silvery ball 

calcium 

calcium reacts with water to give calcium hydroxide and hydrogen gas 

observation:

colourless gas bubbles are evolved

calcium dissolves to give a milky / cloudy solution 

216.73.216.175

ns216.73.216.175da2
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