GCSE CHEMISTRY A PAPER 1 PERIODIC TABLE ELEMENTS AND PHYSICAL CHEMISTRY FULL PAST PAPER WALKTHROUGH AND SOLUTIONS 2026

GCSE CHEMISTRY A PAPER 1 PERIODIC TABLE
ELEMENTS AND PHYSICAL CHEMISTRY FULL
PAST PAPER WALKTHROUGH AND SOLUTIONS
2026

◉ An unknown insoluble substance displaced the water shown. Its
mass is indicated on the triple beam balance.




mass = _____


694
693.5
693.8
693.80. Answer: 3


◉ An unknown insoluble substance displaced the water shown. Its
mass is indicated on the triple beam balance.

,volume of water displaced = _____


92
92.5
92.50. Answer: 2


◉ Assuming the volume of the insoluble substance to be 92.5 mL
and the mass to be 693.8 g, what is the density of the substance? Be
sure to use the correct number of significant figures.


7.50 g/mL
7.500 g/mL
0.133 g/mL
0.1333 g/mL. Answer: 1


◉ Compounds that are found naturally in the earth are called:


ores
composites
rocks
minerals. Answer: 4

,◉ The rocks and minerals of the earth consist of compounds..
Answer: inorganic


◉ The biosphere of the earth is made up of compounds.. Answer:
organic


◉ The various components of a mixture do not combine chemically.


True
False. Answer: T


◉ Which properties are characteristic of true solutions? (Select all
that apply.)


The particles are suspended indefinitely.
The particles are dissolved.
The particles are larger than 10-8 cm.
The light beam is unaffected.. Answer: 2
4


◉ A mixture in which the particles eventually settle out is called a ..
Answer: suspension

, ◉ The scattering of light by a colloid is called the .. Answer: tyndall
effect


◉ Solution particles will eventually settle out.


True
False. Answer: F


◉ The substance that is dissolved in a solution is called a:


solvent
colloid
solute
precipitant. Answer: 3


◉ A solution that contains maximum solute at a given temperature
is:


condensed
saturated
super-saturated