Chapter 15, Problem 15.3P

Interpretation Introduction

(a)

Interpretation:

The application of alumina should be determined.

Concept Introduction:

Alumina is short and convenient name given to aluminum oxide. It is designated by Al₂O₃.

It is also known as aloxite or alundum.

Properties of aluminum are:

1. It is white in color.
2. It is odorless in nature.
3. It is insoluble in water.
4. It is having a density of 3.987 g/cm³.

Interpretation Introduction

(b)

Interpretation:

The application of silica should be determined

Concept Introduction:

Silica is a short name provided for silicon dioxide. Its chemical designation is SiO₂. Silica is a major constituent of sand.

Properties of silica are:

1. It is transparent.
2. Its melting point is 1,713 degree Celsius.
3. The boiling point is 2950 degree Celsius.
4. It appears in white color.
5. It affects immune system.

Interpretation Introduction

(c)

Interpretation:

The applications barium titanate should be determined.

Concept Introduction:

Barium titanate whose chemical formula is BaTiO₃. It is an organic compound.

The properties are:

1. It appears in powder from.
2. It appears white in color.
3. It is odorless in nature.
4. It is insoluble in water.
5. It dissolves in concentrated HF acid.

Interpretation Introduction

(d)

Interpretation:

The applications of zirconia should be determined.

Concept Introduction:

Zirconia is short form termed to zirconium dioxide.It is naturally occurring form with a monoclinic crystalline structure.

Properties of zirconium are:

1. It appears white in color.
2. It appears in powdered form.
3. Its density is 5.68 g/cm³.
4. It's melting point is 2,715 degree Celsius.
5. Its boiling point is 4,300 degree Celsius.

Interpretation Introduction

(e)

Interpretation:

The applications of diamonds should be determined.

Concept Introduction:

Diamond is a crystal which is typically used as gemstone among which diamonds age 1 billion to 3.5 billion years old.

Properties of the diamond are as follows:

1. They have high hardness.
2. They are chemically stable.
3. They appear in various colors like yellow, colorless, brown and grey as well.
4. They are isotropic in nature.