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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
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उत्तर
hydrogen and helium
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संबंधित प्रश्न
Give one example for the following type of mixtures
solid-solid homogenous mixture.
Name the technique that you use if only the solid component of a solution is required.
Correct the following statement:
CO and Co both represents cobalt.
Fill in the blank
A metal which is a liquid at room temperature is _______.
Indicate whether the following statement is true or false:
Molecules can exist independently.
Tick (√) the correct alternative from the choice given for the following statement.
Sand is a compound of
Give the name of the radical - NO3
Give an example of two liquids which form homogenous.
Give a reason for the following statement :
The filter paper made into a cone & placed in a funnel for filtering out the solid particles in a solid-liquid mixture should be moistened before placing it.
Reason out
Elements are called semimetals.
