12 Questions
What is a homogeneous mixture?
A mixture where the components are evenly distributed
Which drug is commonly used in Cancer therapy?
Chemotherapy drugs
What is the difference between Precision and Accuracy?
Precision refers to how close a measurement is to the actual value, while Accuracy refers to the reproducibility of results.
What is the relation between Kelvin scale and Celsius scale?
K = °C + 273
Which device is used in the laboratory to measure the volume of liquids or solutions?
Pipette
What is the characteristic property of gases among solids, liquids, and gases?
No definite volume or shape
What is the oxidation number of oxygen in potassium superoxide (KO2)?
+1
Which two decomposition reactions are NOT redox reactions?
NH4NO3 -> N2 + 2H2O
Which reaction involves an element existing in at least three oxidation states?
Disproportionation Reaction
What is the correct oxidation number of sulphur in tetrathionate ion (S2O6^2-)?
+4
Which statement about halogens' displacement reactions in aqueous solutions is true?
They involve the displacement of a halogen by another halogen.
Which is not true about Boyle's Law?
It describes the behavior of ideal gases only.
Test your knowledge on basic concepts in chemistry and biology with this quiz. Questions cover topics such as drugs used in cancer therapy, characteristics of matter, types of mixtures, physical properties, and laboratory devices for measuring volume.
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