Neco Model Questions Vol1 2020 Chemistry Question 1

Practice practical question 1 from the 2020 Neco Model Questions Vol1 Chemistry examination. This question covers Atomic Structure .

Neco Model Questions Vol1 2020 Chemistry Practical

Topic: Atomic Structure

Question 1 NECO_MODEL_QUESTIONS_VOL1 • 2020 • CHEMISTRY • practical

A student is given an unknown metallic salt solution. She performs a flame test using a Bunsen burner and a clean platinum‑wire loop. The flame observed is a bright crimson red.

Question Parts

( a )

State the procedure for performing the flame test, mentioning at least three precautions that must be observed.

( b )

Record the colour of the flame observed.

( c )

Identify the metal ion most likely present in the sample, using the standard flame‑colour chart supplied in the laboratory manual.

( d )

Explain, in terms of electron transitions, why the observed colour is produced.

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About This Question

This is Neco Model Questions Vol1 2020 Chemistry Question 1. It is one of the practical questions from the 2020 Neco Model Questions Vol1 Chemistry examination.

The question covers Atomic Structure .

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