Some acids are used in tests for ions - Edexcel - GCSE Chemistry - Question 4 - 2022 - Paper 1
Question 4
Some acids are used in tests for ions.
A bottle of one acid is shown in Figure 6.
(i) The acid in Figure 6 can be used in the test for carbonate ions.
Explain, givi... show full transcript
Worked Solution & Example Answer:Some acids are used in tests for ions - Edexcel - GCSE Chemistry - Question 4 - 2022 - Paper 1
Step 1
(i) The acid in Figure 6 can be used in the test for carbonate ions.
Explain, giving the name of the hazard symbol shown, what safety precautions should be taken when using this acid.
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
The hazard symbol on the bottle represents a corrosive substance, indicating that the acid can cause severe burns. When using this acid, it is important to wear safety goggles to protect the eyes and gloves to protect the skin from any potential splashes. Additionally, working in a well-ventilated area is advisable to avoid inhaling any harmful fumes.
Step 2
(ii) Give the name of the acid shown in Figure 6.
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
The acid shown in Figure 6 is nitric acid.
Step 3
(iii) State a property of glass that makes it a suitable material to make the container for an acid.
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
One property of glass is that it is inert and does not corrode when in contact with acids, making it suitable for containing acidic substances.
