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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
Tick the most appropriate answer
Solutions are
- heterogeneous mixtures.
- compounds
- homogeneous mixtures.
- elements
What are the advantages of chromatography?
Define:
Atomicity
Answer the following question:
Give the advantages of using symbols instead of names of elements or compounds.
Find the atomicity of the Following molecule:
Acetic Acid
Indicate whether the following statement is true or false:
Elements are made up of compounds
Complete the statement – an element is a pure substance made up of ____________ atoms.
The first letter of an element is always written in ______ letter.
Atoms: Fundamental particle of an element::______ : Fundamental particles of a compound.
Name the process associated with the following
A fine beam of light entering through a small hole in a dark room illuminates the particles in its paths.
