Sodium is an alkali metal which is usually stored in a container of oil, as in the picture on the right - Junior Cycle Science - Question h - 2014
Question h
Sodium is an alkali metal which is usually stored in a container of oil, as in the picture on the right.
(i) Why is sodium stored in a container of oil?
(ii) Name ... show full transcript
Worked Solution & Example Answer:Sodium is an alkali metal which is usually stored in a container of oil, as in the picture on the right - Junior Cycle Science - Question h - 2014
Step 1
Why is sodium stored in a container of oil?
96%
114 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
Sodium is stored in a container of oil to prevent it from reacting with oxygen or water in the atmosphere. Exposure to these elements can lead to dangerous reactions, as sodium is highly reactive.
Step 2
Name one other alkali metal.
99%
104 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
One other alkali metal is lithium.
Step 3
Sodium reacts with water to produce a colourless gas. Name the gas produced.
96%
101 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
The gas produced when sodium reacts with water is hydrogen.
Step 4
Describe how a student could test for the presence of the gas produced when sodium reacts with water.
98%
120 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
A student could test for the presence of hydrogen gas by using a burning splint. When the splint is brought close to the gas, it should produce a loud pop sound, indicating the presence of hydrogen.
Join the Junior Cycle students using SimpleStudy...
