Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test General Science Chemistry

Which of the following alkali metal imparts crimson red colour to the oxidizing flame?

1

Lithium

2

Sodium

3

Potassium

4

More than one of the above

5

None of the above

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