Question
Question: A fire work gave bright crimson red light. It probably contained a salt of:...
A fire work gave bright crimson red light. It probably contained a salt of:
A
Ca
B
Sr
C
Ba
D
Mg
Answer
Sr
Explanation
Solution
(1) Ca salt imparts brick red colour to the flame.
(2) Sr salt imparts bright crimson colour to the flame.
(3) Ba salt imparts apple green colour to the flame.
(4) Mg salt does not impart any colour to the flame because of high ionization energy.