General Science » Exercise – 1
66. In fireworks, the green flame is produced because of
(a) sodium
(b) barium
(c) mercury
(d) potassium
| Subject Name : General Science |
| Exam Name : UPSC, SSC, KVS, NVS, IBPS, RBI, SBI, RRB |
| Posts Name : Technical Assistant, Junior Scientist, Post Graduate Teacher, College Lecturer |
| General Science Books |
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