Chemistry HL

IB Questions

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Question 1 of 10

Medium marks

Which of the following is known as a fire-like element released during burning?

A

Magnesium

B

Phlogiston

C

Aluminium

D

Tungsten

Question 2 of 10

Easy marks

What is the correct order of decreasing entropy for a pure substance?

A

gas > liquid > solid

B

solid > liquid > gas

C

liquid > solid > gas

D

gas > solid > liquid

Question 3 of 10

Medium marks

What are the factors on which physical and chemical properties of matter depend?

I

Bonding and arrangement of atoms

II

Atomic mass of atoms

III

Structure of atoms

A

I only

B

II only

C

III only

D

I, II, and III

Question 4 of 10

Medium marks

What happens when sulfur and phosphorus are combusted?

A

Follows paradigm shift

B

Lost of mass

C

Release of Phlogiston

D

Gained mass

Question 5 of 10

Easy marks

Which statements are correct about the matter?

I

Particles are in constant motion

II

Occupy volume in space

III

Have mass and is made up of particles like atoms, molecules, or ions

A

I only

B

II only

C

III only

D

I, II, and III

Question 6 of 10

Easy marks

Which statement is true for solids (a state of matter)?

A

Particles vibrate in fixed positions

B

Forces between particles are taken as zero

C

Particles vibrate, rotate, and translate faster

D

No fixed volume

Question 7 of 10

Easy marks

What are the different characteristics of liquids (a state of matter)?

I

Forces between particles are weaker

II

Can be compressed

III

Particles vibrate, rotate, and translate

A

I and II only

B

II and III only

C

I and III only

D

I, II, and III