........... compound is used as a drying agent.
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Bauxite is an ore/mineral of
Besides CO2, the other green house gas is
The property of metals by which they can be beaten into thin sheets is called _______________.
Which one of the following nonmetals shows allotropy in the liquid state?
The modern periodic table consists of 18 groups and 7 periods. What is the atomic number of the element placed in the 2nd group and the 4th period?
The oceanic crust mainly consists of silica and __________.
Chromite is an ore/mineral of
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