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First constitutes the second.
The insecticide gammexane is chemically known as:
How many planets are terrestrial planets?
Which of the following has the lowest ionization enthalpy?
Which gas is produced due to incomplete combustion of fuel?
Which dating method is commonly used to determine the age of materials from prehistoric times?
The orbital velocity of a satellite depends on:
_____ is used for making chemical apparatus like beakers, flasks, etc.
Which endocrine gland requires iodine to synthesize a particular hormone, whose deficiency may cause goitre disease?
Which of the following scientists invented steam engine?
Which is the lightest and most abundant chemical element, constituting roughly 75 % of the Universe’s elemental mass?