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प्रश्न
Name the main metal present in the following:
Chlorophyll
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उत्तर
Chlorophyll - Magnesium
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संबंधित प्रश्न
Name the main metal present in the following:
Chalk
Give four examples of non-metallic elements.
Define:- Filtration
Why is it named so?
Fill in the blank:
_________ is a process to obtain a very pure form of a solid dissolved in a liquid.
Fill in the blank
A pure substance has definite _______ and constant _________.
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.
Why is filtration a better technique than sedimentation and decantation ?
Differentiate between the terms elements, compounds, and mixtures with suitable examples.
Write the differences between elements and compounds and give an example for each.
