The smallest unit of a substance that has all the properties of that substance is called:
Atoms
Molecules
Matter
Minerals
How are liquids measured?
Volume in litres
Volume in metres
Volume in grams
Volume in mass
Mass per unit volume is:
Density
Buoyancy
Dentistries
Conversions
Which statement is true?
Matter can be changed from one form to another by heating and cooling.
Matter cannot be changed at all.
Matter can be changed from one form to another only by heating.
Matter can be changed from one form to another only by cooling.
In how many forms is water found in nature?
One
Two
Three
Four
In solid state, water molecules:
Are closely held together
Are loosely held
Are far apart
Are not closely held
A liquid is said to be miscible if it:
Does not dissolve in another liquid
Dissolves completely in another liquid
Floats on the surface of the other liquid
Dissolves partially in the other liquid
Which is necessary for evaporation?
Light
Heat
Air
Oxygen
What is solubility?
The ability of a substance to float in a liquid
Mass per unit of volume
The ability of a substance to dissolve in a liquid
The ability of a substance to melt on heating
The substances that dissolve in water are called:
soluble substances
insoluble substances
miscible substances
immiscible substance
