11 Questions
Which property of matter allows us to identify mystery chemicals?
Density
What is the qualitative property related to the acidity or basicity of a substance?
pH level
Which property of matter refers to the ability to be stretched into thin sheets?
Ductility
Which chemical property relates to the explosiveness of a substance?
Reactivity with water
What type of chemical property refers to the ability of a substance to change and react?
Reactivity with Oxygen
What is the classification of Matter that includes both homogeneous and heterogeneous mixtures?
Solutions
Which process involves breaking down compounds into elements?
Electrolysis
What is the freezing point of water in Kelvin?
-273 K
In the context of Science Skills, what is the rule for determining error allowance in measurements?
Error = 10% of the smallest demarcation
Which of the following substances cannot be further broken down by chemical means?
Gold (Au)
Which of the following is an example of a heterogeneous mixture?
Salt water
Test your knowledge on physical properties and changes of substances such as density, color, pH level, state of matter, solubility, and more. Learn how these properties can help in identifying mystery chemicals.
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