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WorksheetsQuiz on Mixtures and Solutions
Total questions: 20
Worksheet time: 10mins
A pure substance is made up of:
One kind of particles only
Two kinds of particles
Different kinds of particles
Mixtures
Which of the following is a homogeneous mixture?
Oil and water
Salt solution
Sand and iron
Chalk and water
Which of the following is a heterogeneous mixture?
Sugar solution
Air
Oil and water
Brass
Which of the following is not a mixture?
Milk
Brass
Diamond
Air
Air is classified as a:
Element
Mixture
Compound
Solution
Which method is used to separate cream from milk?
Filtration
Centrifugation
Distillation
Chromatography
Which of the following is a colloid?
Salt solution
Copper sulphate solution
Milk
Sugar solution
The scattering of light by colloidal particles is called:
Reflection
Refraction
Tyndall effect
Dispersion
Which of the following shows the Tyndall effect?
True solution
Colloid
Suspension
None of these
The component of a solution present in smaller quantity is:
Solvent
Solute
Residue
Impurity
Which technique is used to separate colouring agents in ink?
Distillation
Filtration
Chromatography
Sublimation
Brass is an alloy of:
Copper and iron
Copper and zinc
Copper and aluminium
Copper and tin
Which of the following is a suspension?
Muddy water
Milk
Air
Salt solution
Which of the following is a physical change?
Burning of paper
Melting of ice
Rusting of iron
Digestion of food
Which of the following is a chemical change?
Dissolving sugar in water
Melting of wax
Burning of candle
Evaporation of alcohol
Mixture of salt and ammonium chloride can be separated by:
Filtration
Sublimation
Distillation
Evaporation
Which of the following is a heterogeneous mixture?
Air
Brass
Soil
Salt solution
Which of the following is a true solution?
Salt in water
Starch in water
Milk
Soap solution
The process of separating salt from seawater is:
Filtration
Chromatography
Evaporation
Sublimation
Which of the following statements is correct?
Mixtures have fixed composition
Compounds can be separated by physical methods
Mixtures can be separated by physical methods
Elements can be broken into simpler substances
