Which of the following is a good reducing agent?

The disease known as fluorosis is caused by the reaction of excess fluorine in the body with which of the following?

Which of the following explains why sodium metal exhibits metallic luster?

Write a note on the anomalous behavior of lithium compared to other alkali metals.

What is produced when sodium nitrate is heated at $800 \, ^oC$?

The following metal ion activates many enzymes,participates in the oxidation of glucose to produce $ATP$,and with $Na^+$,is responsible for the transmission of nerve signals.