Question

Choose the correct pair among the following in
which both elements show flame colouration in
Bunsen burner flame.
निम्नलिखित में से उस सही युग्म का चयन कीजिए जिसमें दोनों तत्व
बुन्सन बर्नर ज्वाला में ज्वाला को रंग प्रदान करते हैं?
Be, Ba
Ca, Ba
Mg, Be
Ba, Mg​

Answer 1

Answer:

i think c option is correct

Answer 2

Be (Beryllium), Ba(Barium) pair of element and Ca (Calcium), Ba(Barium) pair of element shows the flame colouration in Bunsen burner flame test.

Explanation:

Beryllium shows white colour in Bunsen burner test

Calcium shows the combination of brick red and light green color.

Barium shows the Apple green which is pale colour.

Above are the results taken from the Bunsen Burner flame test.

Atomic no. of Beryllium is 4, atomic no. of Barium is 56 and atomic no. of calcium is 20.