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प्रश्न
The first letter of an element is always written in ______ letter.
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उत्तर
The first letter of an element is always written in capital letter.
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संबंधित प्रश्न
Fill in the blank
Chalk powder dissolved in water is an example of a Chalk powder dissolved in water is an example of a _________.
Differentiate between the following.
Filter Paper and Alum
Give one example for the following types of mixtures:
liquid-gas homogenous mixture
Tick (√) the correct alternative from the choice given for the following statement.
Atoms of different kinds combine to form molecules of
Classify substances into pure and impure substances in the form of a chart or tabulation.
Complete the statement – an element is a pure substance made up of ____________ atoms.
Draw a labelled diagram of an atom including its nucleus, orbits & their contents.
With reference to elements – define the term ‘molecule’. Give two examples each of a monoatomic, diatomic & polyatomic molecule.
Differentiate between elements and compounds.
Name the two elements which are derived from the country.
