6-CHE 2.INTRODUCTION TO CHEMISTRY 1

Which branch studies the composition and physical and chemical properties of forms of matter? Which branch studies the composition and physical and chemical properties of forms of matter?

1 Mark(s)

Biology Biology
Chemistry Chemistry
History History

Why did early humans begin learning about nature? Why did early humans begin learning about nature?

1 Mark(s)

To satisfy curiosity and enhance knowledge
To create modern computers To create modern computers
To classify planets To classify planets

What was alchemy primarily concerned with? What was alchemy primarily concerned with?

1 Mark(s)

Only mathematical calculations Only mathematical calculations
Only agricultural methods Only agricultural methods
Experiments and partly spiritual practice

Which material did early humans use for making tools? Which material did early humans use for making tools?

1 Mark(s)

Synthetic rubber Synthetic rubber
Plastic polymers Plastic polymers
Wood, grass or leaves Wood, grass or leaves

What did early humans learn by observing that seeds grew into plants? What did early humans learn by observing that seeds grew into plants?

1 Mark(s)

How to manufacture steel How to manufacture steel
How to make medicines How to make medicines
Plant growth and food production Plant growth and food production

Which question is specifically listed as one reason to study substances? Which question is specifically listed as one reason to study substances?

1 Mark(s)

Who invented the alphabet? Who invented the alphabet?
Where are mountains formed? Where are mountains formed?
How are they made? How are they made?

What was the philosopher's stone called? What was the philosopher's stone called?

1 Mark(s)

A metal alloy A metal alloy
A type of fertilizer A type of fertilizer
A mythical substance A mythical substance

What is the relationship between chemistry and modern technology in the lesson? What is the relationship between chemistry and modern technology in the lesson?

1 Mark(s)

Chemistry has helped improve technologies and the world
Chemistry has no effect on technology Chemistry has no effect on technology
Technology developed without science Technology developed without science

Which subject studies matter and the changes it undergoes? Which subject studies matter and the changes it undergoes?

1 Mark(s)

Biology Biology
Geography Geography
Chemistry Chemistry

What is described as the basic knowledge of science? What is described as the basic knowledge of science?

1 Mark(s)

Knowledge based only on guessing Knowledge based only on guessing
Knowledge gained only from books Knowledge gained only from books
Knowledge gained through proper observations and efforts

What reservoir does nature provide for substances? What reservoir does nature provide for substances?

1 Mark(s)

Only gases Only gases
A large reservoir of different kinds of substances
Only metals Only metals

Which three branches are listed under the broad classification of science? Which three branches are listed under the broad classification of science?

1 Mark(s)

Physics, Chemistry and Biology Physics, Chemistry and Biology
Chemistry, Geography and Economics Chemistry, Geography and Economics
Physics, History and Biology Physics, History and Biology

What did 'Khemeia' mean according to the lesson? What did 'Khemeia' mean according to the lesson?

1 Mark(s)

Art of transmuting metals Art of transmuting metals
Making medicines from plants Making medicines from plants
Study of stars Study of stars

What does science involve according to the lesson? What does science involve according to the lesson?

1 Mark(s)

Systematic efforts to control nature through experiments
Memorising only names of chemicals Memorising only names of chemicals
Studying only living organisms Studying only living organisms

Which substances are mentioned as having been isolated by alchemists? Which substances are mentioned as having been isolated by alchemists?

1 Mark(s)

Hydrogen and helium Hydrogen and helium
Sulphur and phosphorus Sulphur and phosphorus
Oxygen and nitrogen Oxygen and nitrogen

Where was alchemy mainly practised for medicines known as Ayurvedic medicines? Where was alchemy mainly practised for medicines known as Ayurvedic medicines?

1 Mark(s)

India India
Australia Australia
Egypt Egypt

What did successful alchemists contribute to metal extraction? What did successful alchemists contribute to metal extraction?

1 Mark(s)

Processes for extracting metals Processes for extracting metals
Methods of making computers Methods of making computers
Rules for astronomy Rules for astronomy

What is the origin of the word 'Alchemy' given in the lesson? What is the origin of the word 'Alchemy' given in the lesson?

1 Mark(s)

Latin word 'Aqua' Latin word 'Aqua'
French word 'Chemie' French word 'Chemie'
Greek word 'Khemeia' Greek word 'Khemeia'

Which other base metal is named in the philosopher's stone discussion? Which other base metal is named in the philosopher's stone discussion?

1 Mark(s)

Copper Copper
Zinc only Zinc only
Silver Silver

Which development helped humans cook food and keep warm? Which development helped humans cook food and keep warm?

1 Mark(s)

The wheel The wheel
Paper Paper
Fire Fire

What does chemistry study besides the composition of substances? What does chemistry study besides the composition of substances?

1 Mark(s)

Their physical and chemical properties Their physical and chemical properties
Only their colours Only their colours
Only their market prices Only their market prices

Which area is explicitly mentioned as depending entirely on agriculture? Which area is explicitly mentioned as depending entirely on agriculture?

1 Mark(s)

Communication Communication
Transport Transport
Food supply Food supply

What was the goal of alchemy involving a mythical substance? What was the goal of alchemy involving a mythical substance?

1 Mark(s)

To find a substance that could turn base metals into gold
To produce synthetic fibres To produce synthetic fibres
To preserve food To preserve food

What did early humans learn to do after discovering fire? What did early humans learn to do after discovering fire?

1 Mark(s)

Produce synthetic fibres Produce synthetic fibres
Protect themselves from cold weather Protect themselves from cold weather
Make medicines Make medicines

What major change occurred in the nineteenth century? What major change occurred in the nineteenth century?

1 Mark(s)

Chemistry became completely separated from ancient traditional alchemy
Alchemy became the only science Alchemy became the only science
Chemistry disappeared from science Chemistry disappeared from science

Which is NOT one of the listed questions about substances? Which is NOT one of the listed questions about substances?

1 Mark(s)

How many continents exist? How many continents exist?
How can they become useful? How can they become useful?
Can they be prepared by humans? Can they be prepared by humans?

Which statement best describes science in the lesson? Which statement best describes science in the lesson?

1 Mark(s)

A systematic, ongoing human effort A systematic, ongoing human effort
A list of laboratory chemicals A list of laboratory chemicals
A branch concerned only with machines A branch concerned only with machines

Which metal was specifically mentioned as a possible starting metal for producing gold? Which metal was specifically mentioned as a possible starting metal for producing gold?

1 Mark(s)

Aluminium Aluminium
Iron Iron
Mercury only Mercury only

Why is chemistry important to mankind according to the lesson? Why is chemistry important to mankind according to the lesson?

1 Mark(s)

It replaces all other sciences It replaces all other sciences
It deals only with metals It deals only with metals
It fulfils basic needs and supports development

What does the lesson say about chemistry's contribution to everyday life? What does the lesson say about chemistry's contribution to everyday life?

1 Mark(s)

It is limited to medicine It is limited to medicine
It fulfils man's basic needs It fulfils man's basic needs
It is useful only in laboratories It is useful only in laboratories

6-CHE 2.INTRODUCTION TO CHEMISTRY 1 : Question 1 of 30