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प्रश्न
Tick (√) the correct alternative from the choice given for the following statement.
The most abundant elements in the universe are
पर्याय
neon and argon
hydrogen and helium
aluminium and copper
oxygen and nitrogen
उत्तर
hydrogen and helium
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संबंधित प्रश्न
Tick the most appropriate answer
Solutions are
- heterogeneous mixtures.
- compounds
- homogeneous mixtures.
- elements
Give one example for the following types of mixtures :
misicible liquids
Give Two Examples for Each of the Following: Metalloids
Name: A form of carbon used as a gem
Give the name of the radical - SO4
Give an example of two liquids which form homogenous.
Atoms: Fundamental particle of an element::______ : Fundamental particles of a compound.
State true of false. If false, give the correct statement.
Two different elements may have similar atoms.
Assertion: Air is a mixture of elements only.
Reason: Only nitrogen, oxygen and neon gases exist in air.
Name the element which is used in toothpaste to strengthen our teeth.
