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13 questions
The thing that's allowed in laboratory between all these activities is...
Horsing around
Playing balls
Eating/Drinking
Doing research
Liquid is one type of states of matter. The property of liquid is...
Definite shape and volume
Indefinite shape and volume
Definite shape but indefinite volume
Definite volume but indefinite shape
Mothballs in our toilets and cupboards can change directly from solid into gas. This type of phase change is called...
Freezing
Crystallization
Sublimation
Condensation
When we look at the particles in gas, the distance are...
Closely-packed
Loosely-packed
Far apart
Unknown
The volume measured in the measuring cylinder below/above is... cm3
6,0
6,6
7,0
7,4
We can turn CO2 gas (Carbon dioxide) into solid (also known as dry ice) by manipulating 2 parameters, which are...
Volume and Pressure
Volume and Temperature
Temperature and Pressure
Mass and Volume
The process of water transport from organism into the atmosphere is called...
Precipitation
Transpiration
Condensation
Sublimation
In the universe, there are ... elements which consist of ... natural and ..synthetic elements.
118, 94, 24
118, 24, 94
94, 24, 70
94, 70, 24
In the periodic table, elements with similar characteristic is put in the same...
Table
Group
Period
Block
Calcium carbonate (CaCO3) is a well-known compound usually used in chalks and cement mixtures. By looking at the elements in that compound, we can know it's a/an ... compound.
Ionic
Covalent
Expensive
Rare
The correct name for PCl3 is...
Monophosphorus chloride
Phosphorus chloride
Phosphorus trichloride
Trichlorium phosphide
From substance below, which one is considered a mixture?
Gold
Sugar
Milk
Pure water
Air is one example of a mixture. In air, the most dominant composition is...
N2 gas
O2 gas
CO2 gas
Argon gas
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