Waec Model Questions Vol1 2023 Chemistry Question 2
Practice practical question 2 from the 2023 Waec Model Questions Vol1 Chemistry examination. This question covers Periodic Table .
A student performed a flame test and a series of qualitative reactions on an unknown solid metal sample. The observations recorded are as follows: | Test | Observation | |--------------------------|----------------------------------------------------------------------------------| | Flame test | Bright yellow flame with an intense orange component (characteristic of Na) | | Reaction with dilute HCl | Vigorous effervescence; colourless gas evolved | | Reaction with aqueous NaOH| White precipitate formed which dissolves on addition of excess NaOH (clear) | | Reaction with dilute H₂SO₄| No visible reaction | Answer the questions below.
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This is Waec Model Questions Vol1 2023 Chemistry Question 2. It is one of the practical questions from the 2023 Waec Model Questions Vol1 Chemistry examination.
The question covers Periodic Table .
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