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प्रश्न
Tick (√) the correct alternative from the choice given for the following statement.
Gold is used to make jewellery because
विकल्प
it is dull
lustrous and attractive
highly reactive
very cheap
उत्तर
lustrous and attractive
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संबंधित प्रश्न
Name a soft metal.
Give one example for the following types of mixtures:
liquid-gas homogenous mixture
Find the atomicity of the Following molecule:
Dinitrogen Oxide
Tick (√) the correct alternative from the choice given for the following statement.
Atoms of different kinds combine to form molecules of
Tick (√) the correct alternative from the choice given for the following statement.
Sand is a compound of
Write the names of elements from the following symbol:
Br
Write the names of elements from the following symbol:
Cu
‘The modern periodic table consists of elements arranged according to their increasing atomic numbers’. With reference to elements with atomic numbers 1 to 20 only in the periodic table – differentiate them into – metallic elements, metalloids, non-metals & noble gases.
State five different characteristics of compounds.
Differentiate between elements and compounds.
