20 MCQ on is Matter Around Us Pure

The …….. of a solution is the amount of solute present per unit volume or per unit mass of the solution. 1. Concentration 2) solubility 3) Density 4) Volume

A ……… is a homogeneous mixture of two or more substances. The major component of a solution is called the solvent and the minor the solute. 1) solute 2) Solvent 3) Solution 4) All of these

…….. can be separated into pure substances using appropriate separation techniques. 1. Compounds 2) Elements 3) Mixtures 4) None of these

A ………. contains more than one substance mixed in any proportion. 1) Element 2) Compound 3) Mixture 4) Atom

Which metals used in early days? are 1) Fe 2) Pb 3) Cu 4) All

Percentage of Argon by volume in air 1) 20.9 2) 0.9 3) 78.1 4) 75

The mixture of acetone and water can be separated by 1) distillation 2) crystallisation 3) adsorption 4) Hand picking

In coloured gem stone dispersion medium is 1) solid 2) liquid 3) gas 4) Both 2 & 3

Which of the following is an example of emulsion? 1) milk 2) Face cream 3) Both 1 & 2 4) shaving cream

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20 MCQ on is Matter Around Us Pure

Materials that are insoluble in a solvent and have particles that are visible to naked eye, form? 1. Solution 2) Suspension 3) colloids 4) True solution

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The …….. of a solution is the amount of solute present per unit volume or per unit mass of the solution. 1. Concentration 2) solubility 3) Density 4) Volume

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A ……… is a homogeneous mixture of two or more substances. The major component of a solution is called the solvent and the minor the solute. 1) solute 2) Solvent 3) Solution 4) All of these

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…….. can be separated into pure substances using appropriate separation techniques. 1. Compounds 2) Elements 3) Mixtures 4) None of these

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A ………. contains more than one substance mixed in any proportion. 1) Element 2) Compound 3) Mixture 4) Atom

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Which metals used in early days? are 1) Fe 2) Pb 3) Cu 4) All

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Percentage of Argon by volume in air 1) 20.9 2) 0.9 3) 78.1 4) 75

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The mixture of acetone and water can be separated by 1) distillation 2) crystallisation 3) adsorption 4) Hand picking

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In coloured gem stone dispersion medium is 1) solid 2) liquid 3) gas 4) Both 2 & 3

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Which of the following is an example of emulsion? 1) milk 2) Face cream 3) Both 1 & 2 4) shaving cream

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