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प्रश्न
Write the names of elements from the following symbol:
Zn
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उत्तर
Zn- Zinc
संबंधित प्रश्न
Write true or false
All pure substances have characteristic melting and boiling points.
Write the Chemical Name of the Following and Also Give Their Molecular Formulae:
Sand
Name: a Liquid Metal
Give two applications of chromatography.
Find the atomicity of the Following molecule:
Carbon Monoxide
Indicate whether the following statement is true or false:
A compound is made up of just one kind of atom
Draw a labelled diagram of an atom including its nucleus, orbits & their contents.
Complete the statement given below by filling in the blank with the correct word.
From the elements nitrogen, chlorine, bromine, the element present in the atmosphere is ________.
Differentiate metals and non-metals.
Classify the substances given in Fig. 2.2 into elements and compounds
