Atomic number of which of the following elements is greater than that of Magnesium
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Which one of the following is commonly used for pulp bleaching in the paper industry?
Highest percentage of carbon is found in which form of coal?
Which of the following elements has the lowest melting point?
____ is not an allotrope of carbon.
_____ is the major component of natural gas.
The poisonous gas accidentally released in Bhopal Gas Tragedy is
Which is the most economical method of removing solid matter from water?
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