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प्रश्न
Classify the following substances into compounds and mixtures:
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उत्तर
Carbon dioxide, air, water, milk, common, salt, blood, fruit juice, iron sulphide.
Carbon dioxide — (Compound)
air — (Mixture)
water — (Compound)
milk — (Mixture)
common salt — (Compound)
blood — (Mixture)
fruit juice — (Mixture)
iron sulphide — (Compound)
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संबंधित प्रश्न
Give one example for the following type of mixtures
solid-solid homogenous mixture.
Define mixture.
Fill in the blank
Use of a ................. to separate the components of a mixture of solids is based on the difference in the size of the components
Name the substance you will add to speed up sedimentation.
Mention three gaseous elements and write their molecular formulae
Classify the following as elements and compounds.
Water, Common salt, Sugar, Carbon dioxide, Iodine and Lithium
Higher Order Thinking Skills.
List out the metals, non-metals and metalloids which you use in your house, schools. Compare their properties.
Water contains _____ and _____ element.
Complete the table by writing the symbols of the following elements
| Element | Symbol |
| Aluminum | Al |
| Nickel | |
| Bromine | |
| Helium | |
| Magnesium |
Name the two elements which are derived from the country.
