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7th ICSE
IMPORTANT
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The dyes present in fountain pen ink can be separated by the technique of

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Important Questions on Elements, Compounds and Mixtures

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7th ICSE
IMPORTANT
Lakhmir Singh's Science Chemistry>Chapter 3 - Elements, Compounds and Mixtures>EXERCISES>Q 1
A _____ substance is made of only one kind of particles.
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7th ICSE
IMPORTANT
Lakhmir Singh's Science Chemistry>Chapter 3 - Elements, Compounds and Mixtures>EXERCISES>Q 4
A compound is a substance made up of two or more elements chemically combined in a fixed proportion by _____.
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7th ICSE
IMPORTANT
Lakhmir Singh's Science Chemistry>Chapter 3 - Elements, Compounds and Mixtures>EXERCISES>Q 5
Immiscible liquids are separated by using a _____.
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7th ICSE
IMPORTANT
Lakhmir Singh's Science Chemistry>Chapter 3 - Elements, Compounds and Mixtures>EXERCISES>Q 6
A mixture of kerosene and petrol can be separated by _____.
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7th ICSE
IMPORTANT
Lakhmir Singh's Science Chemistry>Chapter 3 - Elements, Compounds and Mixtures>EXERCISES>Q 7
The separation of liquids by fractional distillation is based on the difference in their _____.
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7th ICSE
IMPORTANT
Lakhmir Singh's Science Chemistry>Chapter 3 - Elements, Compounds and Mixtures>EXERCISES>Q 8
A heterogeneous mixture of liquid and solid is conveniently separated by _____.
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7th ICSE
IMPORTANT
Lakhmir Singh's Science Chemistry>Chapter 3 - Elements, Compounds and Mixtures>EXERCISES>Q 9
Salt is obtained from sea-water by the process of _____.
MEDIUM
7th ICSE
IMPORTANT
Lakhmir Singh's Science Chemistry>Chapter 3 - Elements, Compounds and Mixtures>EXERCISES>Q 10
_____ a separation technique for solid-solid mixture.