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प्रश्न
Name: an Inert Gas
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उत्तर
Neon, helium
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संबंधित प्रश्न
Give one example for the following types of mixtures:
liquid-gas homogenous mixture
Write the Chemical Name of the Following and Also Give Their Molecular Formulae:
Vinegar
Name: a non-metal which is lustrous
State the number of atoms of H2SO4
Indicate whether the following statement is true or false:
Metals reflect light and are good conductors of electricity
Tick (√) the correct alternative from the choice given for the following statement.
Gold is used to make jewellery because
Tick (√) the correct alternative from the choice given for the following statement.
Sand is a compound of
Complete the statement with the correct words.
_______ are chemicals which are hydroxide (or oxides) of ______ eg. sodium hydroxide.
Explain the difference between Atoms and molecules.
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.
