The oxidation state of manganese in KMnO₄ is:

Dry ice is :

Solder consists of:

The property of metals to stretch into wires in called:

Mixtures of elements designated to have properties that are useful for a particular purpose:

The formula of ionic compound magnesium chloride is:

Metallic bond is due to the presence of:

Multiple covalent bond exist in:

The number of outer electrons in Noble gases are:

Silica is: