Name: Recrystallisation
Uploaded: 2019-07-19
Duration: 7 min 15 s
Description: Recrystallisation is a common organic chemistry laboratory technique for separating and purifying solids. Let's learn how to do it in this video!

Question

We have already learnt that all substances around us are made up of matter. Matter can be further classified as a pure substance and a mixture. In daily life, we use so many substances without knowing whether they are pure substances or mixtures. Given below are some mixtures that we use in our daily life. Write the names of the substances from which they are formed.

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Accepted Answer

Elements and compounds are pure substances and a mixture is an impure substance. When two or more substances (elements or compounds or both) are physically mixed together in any proportion such that they do not undergo any chemical change are called mixtures. The substances which form the given mixtures are as follows:

Mixture substances that form the mixture

Tea tea leaves, sugar and water

Lemonade Lemon juice, water, salt and sugar

Tomato soup Tomato, water, salt, spices

They are examples of homogeneous mixtures.

Ela Chowdhury Solutions for Chapter: Elements, Compounds and Mixtures, Exercise 1: Connect

Ela Chowdhury Chemistry Solutions for Exercise - Ela Chowdhury Solutions for Chapter: Elements, Compounds and Mixtures, Exercise 1: Connect

Questions from Ela Chowdhury Solutions for Chapter: Elements, Compounds and Mixtures, Exercise 1: Connect with Hints & Solutions

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