Which of the following group is NOT Dobereiner Triads?
Pentlandite is an ore/mineral of _______.
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Which of the following is a greenhouse gas or a gas which can deplete the ozone layer?
Which of the following elements has the lowest melting point?
______ character of a bond between two atoms is greater if the difference in their electro negativities is lesser.
What is dehydration?
Which of the following is a greenhouse gas or a gas, which can deplete the ozone layer?
Atomic number of which of the following elements is greater than that of Neon?