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Worksheetsmind scratching matter
Total questions: 10
Worksheet time: 5mins
"The milkman says that his milk is pure." What does pure here refers to?
Milk is made up of only one kind of particles
Milk is not adulterated
Milk is free of suspended impurities
Milk is highly concentrated
Select the matter(s) which can be classified as elements
Curd
Iron
Air
Pottasium
Sol is the type of solution having a solid as dispersed phase and a liquid as dispersing medium.
True
False
Think and Tell : Which of the following steps would you use to seperate the mixture of iron fillings , ammonium chloride, sodium chloride, sand.
Magnetic seperation --> Sublimation --> Adding water -- > Sedimentation -->Filtration
Magnetic seperation -->Sublimation --> Sedimentation --> Filtration -->Evaporation
Magnetic seperation --> Sublimation -- > Adding water --> Sedimentation --> Filtration --> Evaporation
What will you observe while seperating sugar solution by evaporation ?
You will observe that sugar evaporates but water stays
You will see sugar at bottom of container in form of a sticky crystal
You will see that there's nothing in the container
None of the above
Which criteria would not be suitable for differentiating between compounds and mixtures ?
Composition (variable/fixed)
Methods of separation
No. of atoms
Formation of new properties
Raju accidentally emptied his mother's nail polish remover's bottle into water. How would he separate it ?
Seperating funnel
Evaporation
Distillation
Fractional distillation
You were asked to seperate two gases oxygen & nitrogen.
How would you do so?
Distillation
Fractional distillation
They cannot be separated by any means
A pure substance containing only one kind of atom.
Element
Mixture
Compound
This picture represents which of the following?
Element
Compound
Mixture
