Respuesta :
1. Metallic
2. A, B
3. Unreactive
these are all right.
( 1 ) The 'B' represents a Metallic cation.
( 2) when A is more reactive than B
( 3) because it is very nonreactive
What will be answers ?
N the reactants of the general form of the single replacement reaction, the 'B' represents a metallic cation.
Single replacement reactions only occur when A is more reactive than B
Gold is used for connections in computers because it is very Non reactive
Hence
( 1 ) The 'B' represents a Metallic cation.
( 2) when A is more reactive than B
( 3) because it is very nonreactive
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