
Which one of the following is monatomic ?


Important Questions on UPSC CDS (II) Previous Year Paper 2019
In graphite, each carbon atom is bonded to three other carbon atoms forming a three-dimensional structure _____.

Soap solution used for cleaning purpose appears cloudy. This is due to the fact that soap micelles can _____.

People prefer to wear cotton clothes in summer season. This is due to the fact that cotton clothes are _____.

Employing Chromatography, one cannot separate _____.

Consider the following statement
'Atomic number of an element is a more fundamental property than its atomic mass'.
Who among the following scientists has made the above statement ?

Which one of the following acids is also known as Vitamin C ?

Which one of the following is not found in animal cells ?

Marsilea, Fern and Horse-tail are examples of which one of the following plant groups ?
