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WorksheetsCHEM Test 1 (9th) 21-22
Total questions: 14
Worksheet time: 10mins
Physical Chemistry studies
the relationship between the composition and physical properties of matter along with the changes in them.
compounds of carbon and hydrogen (derivatives from petroleum) and their derivatives.
none of the above
Inorganic Chemistry studies
all elements and their compounds except those of compounds of carbon and hydrogen (derivatives of petroleum).
the structure, composition, and chemical reactions of substances found in living organisms.
none of the above
Biochemistry studies
the manufacturing of chemical compounds on commercial scale.
the structure, composition, and chemical reactions of substances found in living organisms
none of the above
Nuclear Chemistry studies
the radioactivity of compounds,nuclear processes and properties.
the components of the environment and the effects of human activities on the environment.
none of the above
Analytical Chemistry studies
covalent compounds of carbon and hydrogen (petroleum derivatives) and their derivatives
the separation and analysis of samples to identify its components.The separation can be qualitative or quantitative.
none of the above
What is matter?
The ability of an object to perform work
Anything that has mass and occupies space
None of the above
What is a substance?
A piece of impure matter
A piece of matter in a completely pure form
None of the above
What is a mixture?
A piece of matter formed by several substances
A piece of matter formed by only one substance
None of the above
Properties that are associated with the physical state of the substance E.g: colour, smell, taste, hardness, boiling points.
Physical Properties
Chemical Properties
None of the above
Explain why orange juice is a mixture and not a substance
Properties that depend upon the composition of the substance.
Physical properties
Chemical Properties
None of the above
Chemical change is
Process in which the composition of substance changes and new substances are formed.
Process in which only the physical states change while its chemical composition remains the same.
None of the above
Evaporation of water is a:
Physical Process
Chemical Process
None of the above
Provide an example of physical change
