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प्रश्न
Fill in the blank
A ________ substance has only one kind of matter.
उत्तर
A pure substance has only one kind of matter.
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संबंधित प्रश्न
Write the Chemical Name of the Following and Also Give Their Molecular Formulae:
Baking Soda
How is sodium chloride different from its constituent elements ?
Choose the most appropriate answer
Which of the following property is not shown by compounds?
Fill in the blank
Mixtures can be ...................... or .....................
Write true or false
The constituents of a mixture can only be separated by chemical means
State any one method – to separate the following mixtures – Two solid mixtures one of which – directly changes into vapour on heating.
Explain with diagram the process used to – separate the following substance from the given mixtures - Iron from a mixture of – iron & copper
Explain with diagram the process used to – separate the following substance from the given mixtures - Lead nitrate [soluble] from a mixture of – lead nitrate & water Le. lead nitrate solution.
Give a reason for the following statement :
Components in a mixture can be separated by physical methods only.
Using suitable apparatus from your laboratory separate the mixture of chalk powder, mustard oil, water, and coins. Draw a flow chart to show the separation process.
