Chapter 1 Introduction to chemistry

What is meant by chemistry?

• Studies the structures of matters.

• Studies the structures and composition of matters.

• Studies the structures , composition and properties of matters.

• Studies the structures , composition, properties and interaction of matters.

The following are the chemicals used in daily life EXCEPT

• Sugar

• Paint

• Detergent

• Sound

Acid reacts with base to form salt and water. This is an example of...........

• stuctures of matters

• properties of matter

• composition of matter.

Table salt is made up of 1 sodium atom and 1 chlorine atom. This is an example of....

• structure of matter.

• composition of matter.

• interaction between matters.

• properties of matter.

Which of the following is an example of development of chemistry in industry?

• Technology development in food preservation.

• Technology development in open burning.

• Technology development in deforestation

• Technology development in global warming.

Searching for an antidote for dengue fever. The following are the careers related to above situation EXCEPT

• Doctor

• Pharmacist

• Researcher

• Teacher

Producing palm tree with high content of oil . The following are the careers related to above situation EXCEPT

• Farmer

• Biotechnology engineer

• Biotechnology researcher

• Architect

The following careers are related to chemistry EXCEPT

• Cosmetic chemist

• Chemistry Teacher

• Food scientist

• Plumber

The picture beside shows the __________of an ozone.

• properties

• sructure

• interaction of matter

Magnesium reacts with oxygen to form magnesium oxide. This is an example of....

• structure of matter.

• composition of matter.

• interaction between matters.