Test Prep / CustomExam Practice Test

CustomExam Practice Test

Cambridge IGCSE Chemistry Essentials Test Prep50 Questions45 min

Cambridge IGCSE Chemistry Essentials Test Prep CustomExam

CustomExam Practice Test

Practice test for Cambridge IGCSE Chemistry Essentials Test Prep

50Questions

45Minutes

About This Test

This practice test is designed to help you prepare for the CustomExam exam. It contains 50 questions and has a time limit of 45 minutes.

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Important Questions

What are the three states of matter?

A:Solid, liquid, and gas

B:Solid, liquid, and plasma

C:Ion, liquid, and gas

D:Solid, crystal, and gas

How do particles behave in a solid?

A:Particles are far apart and vibrate in fixed positions

B:Particles are tightly packed and vibrate in fixed positions

C:Particles are close together but can flow past each other

D:Particles are spread out with open spaces

What is the process by which particles move from an area of high concentration to low concentration?

A:Osmosis

B:Diffusion

C:Electrolysis

D:Evaporation

What is the total number of protons and neutrons in an atom's nucleus called?

A:Atomic number

B:Mass number

C:Isotope

D:Atomic mass unit

What is the process of using electricity to decompose ionic substances called?

A:Electrolysis

B:Electrolyte

C:Cathode

D:Ionic bonding

What is the name given to long-chain molecules formed from monomers?

A:Polymer

B:Monomer

C:Functional group

D:Alkane

What is the pH range of acids?

A:Less than 6

B:Less than 7

C:Greater than 7

D:Greater than 8

What is the percentage of oxygen in the atmosphere?

A:78%

B:21%

C:0.9%

D:0.04%

What is an exothermic reaction?

A:A reaction that releases energy, increasing temperature

B:A reaction that absorbs energy, decreasing temperature

C:A reaction that does not change temperature

D:A reaction that absorbs and releases energy

What is the general formula for alkenes?

A:CnH2n

B:CnH2n+2

C:CnHn

D:CnHn+2

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