$CATEGORY: 2.Polynomials/2.Polynomials/2.Polynomials--Factorisation of polynomials

//Multiple Choice

Which method is used to separate an ink solution?
{
~Centrifugation
=Evaporation
~Filtration
~Distillation
}


The sublimable substances directly convert:
{
~Solid into liquid
~Liquid into gas
=Solid into gas
~Gas into solid
}

Which type of separation technique is used to purify salts?
{
~Centrifugation
=Crystallisation
~Filtration
~Chromatography
}

Which kind of separation technique is used to clean muddy water?
{
~Centrifugation
~Evaporation
~Chromatography
=Filtration
}

The immiscible liquids can be separated by the:
{
~Filtration
~Chromatography
~Distillation
=Separating funnel
}

Who among the following can be separated by using chromatography?
{
~Sand from gravel
~Salt from water
=Drugs from blood
~Oil from water
}

Distillation relies on which physical property?
{
~Melting point
~Solubility
=Boiling point
~Density
}

Which technique separates a solid from a liquid in a mixture?
{
~Sublimation
~Evaporation
=Filtration
~Distillation
}

What is the primary objective of crystallization?
{
~To separate solids
=To obtain pure solids from the solutions
~To mix different substances
~To purify liquids
}

Which separation technique is based upon the variation in boiling points of liquids?
{
~Centrifugation
~Chromatography
~Filtration
=Distillation
}

//True or False

Most of the substances around us are found as a mixture.{T}

All the mixtures can be always separated by the physical processes.{F}

Water is the universal solvent.{T}

Kerosene oil forms the bottom layer when mixed with water.{F}

We can separate the cream from the milk by centrifugation.{T}

Anthracene and naphthalene are capable of undergoing sublimation.{T}

The evaporation can be carried out in any state of matter.{F}

Filtration is an effective technique to clean the sewage water.{T}

Air is a homogeneous mixture and can be separated by fractional distillation.{T}

For sublimation to be effective, both substances in a mixture should be volatile.{F}

The mixture of common salt and ammonium chloride can be separated using the process of sublimation.{T}

//Match the Following

Match the following items from Column A with their correct corresponding options from Column B:
{
=Filtration -> Separating solids from liquids
=Sublimation -> Solid to gas
=Distillation -> Liquid purification based on boiling points
=Crystallization -> Forming crystals from the solutions
}

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