Question
Cinnabar is primarily an ore of which
element?Solution
Cinnabar is the bright scarlet to brick-red form of mercury(II) sulfide (HgS). It is the most common source ore for refining elemental mercury and has historically been used as the source for the brilliant red or scarlet pigment known as vermilion and other associated red mercury pigments.
The Ranikhet disease affects:
Match the following:
Organs have associated to form functional systems, each system concerned with a specific physiological function. Which of the following organism shows t...
Fruit cracking in litchi is caused by ____Â
Parts per million (ppm) is equal to
Given below are two statements:
Statement I: The transpiration, water is loss from aerial parts of plants in the form of invisible water vapours....
Normal seedlings upon putting in dark, for few days, get converted into white like albinos. Which of the following terms will you use to describe them?
Rocks containing free silica in abundance and is not combined with bases are called
What is the specialized structure in butterflies and moths that allows them to feed on nectar?
Which of the following selenium form is selenite?
(a) Se2–
(b) SeO–
(c) SeO23–
...
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