Question

The reaction between iron (III) oxide and a metal X is used for welding the rail tracks. Identify X with type of reaction 1 point a. Copper granules, displacement and endothermic reaction b. Aluminium dust, double displacement and exothermic reaction c. Zinc dust, displacement and exothermic reaction d. Aluminium dust, displacement and exothermic reaction

Answer 1

Explanation:

1. djdide drjdnr
2. ffnkfmdfmfmf
3. f

• cfmfiuffffgzjfcncn
• cbnckdkkdkdmd

bcbfmmfmdkfkbdnxmxmx

nxnxnxxxxxdgf. ff

xhxhxx. dbddnnx

1. nxxjxjudxdhfnfnnfkmfmdmdkdkdlododfbfnfnfjf