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प्रश्न
Classify the substances given in Fig. 2.2 into elements and compounds
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उत्तर
Elements – Cu, Zn, F2, O2, diamond (C), Hg
Compounds – CaCO3, H2O,
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संबंधित प्रश्न
Name a soft metal.
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
Correct the following statement:
CO and Co both represents cobalt.
Give Two Examples for Each of the Following: Metalloids
Define: Atom
Find the atomicity of the Following molecule:
Dinitrogen Oxide
Give the name of the radical - CO3
Select the correct answer from the choice given below.
The element which is malleable
Select the correct answer from A, B, C, D & E for the statement given below :
A non-metal that is lustrous.
