Question
Who proposed the 'Law of Octaves' in the periodic
classification of elements?Solution
The 'Law of Octaves' was proposed by John Newlands in 1865. According to this law, elements arranged in increasing order of atomic weights exhibit similar properties at every eighth element.
Soaking in hot water weakens the granule structure by way of breaking the hydrogen bond which consequently provides a larger surface for the absorption ...
Nilaparvata lugens is a pest of
Which of the following is a cultivar of custard apple?
The breakdown of nitrites and nitrates by bacterial activity is known as:
The genetic constitution of a character present in chromosome/nucleus is known as
Magnesium is an important constituent of :
Which of the following step is not essential for rDNA experiment?Â
A minimum of how many satellites would required to cover the entire agricultural area of india under the “ Bharat Krishi Satellite Programme”?
Under Food safety and Standards Act import of which of the following products is prohibitedÂ
When the activity of one gene is suppressed by the activity of a non-allelic gene, it is known as