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प्रश्न
Indicate whether the following statement is true or false:
All elements are artificially prepared
विकल्प
True
False
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उत्तर
False
Correct Statement: All elements are made up of a limited number of basic substances
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संबंधित प्रश्न
Write the Chemical Name of the Following and Also Give Their Molecular Formulae:
Sand
State the number of atoms of CaCO3
Find the atomicity of the Following molecule:
Acetic Acid
Indicate whether the following statement is true or false:
Elements are made up of compounds
Represent with the help of a simple chart how matter is classified into pure or impure substances & further into elements, compounds & mixtures, with elements further segmented.
Explain the term ‘mixture’.
Select the correct answer from A, B, C, D & E for the statement given below :
A mixture consisting of elements & a compound.
Atoms: Fundamental particle of an element::______ : Fundamental particles of a compound.
Differentiate between elements and compounds.
Higher-Order Thinking questions:
Why is hydrogen considered an element?
