Which metal helps in the production of hemoglobin?

In stainless steel _________is used to prevent corrosion.

For making the body of ships __________is used.

Pick the odd one out.

It is dangerous to increase _________in our body.

Find out the odd one.

Crystal type inorganic substances present in earth crust is

Name the alloy used to make magnets.

___________is used in Electric Iron.

Name the metal which is more in the earth's crust?