Question

Which of the following pair is not true?

(A) Calcium-Ca (B) Silver-Ag (C) Gold-Au (D) Copper-Co​

Answer 1

Answer:

Copper - co is false

The Latin name of copper is cuprum

Therefore it symbol is Cu

hope that helps

have a good day

Answer 2

Answer:

The correct option is option (D).

Explanation:

According to the periodic table

• chemical symbol of Calcium is Ca .
• chemical symbol of Silver is Ag .
• chemical symbol of Gold is Au .
• chemical symbol of Copper is Cu .

But in the option (D) it is Co which is the symbol of Cobalt

So option (D) pair is not true.

So option (D)  is the correct answer.

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