Question

Please answer part (a) and (b)

Answer 1

Answer:

1. Zn + HCl ---->  ZnCl + H2

2. Mg2 + 02 ----> 2MgO

3. Ca + 2HCl ----> CaCl2 + H2

Answer 2

Answer:

a. 1. Zn + H2SO4 --> ZnSO4 + H2

a. 2. 2Mg + O2 --> 2MgO

a. 3. Ca + 2HCl --> CaCl2 + H2

b. Stainless steel does not get affected form the atmosphere and it doesn't get rusted where article made of iron gets affected if kept in a moisturous place. Steel is a metal and is used in electrical applainces and diamond is a non metal used for making jewellery

Hope it helps you