What is the pH of water?
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The element with the highest electron affinity among halogens is
Which one of the following triad represents Dobereiner's Triad?
___________ is obtained by evaporation of sea.
Bronze is an alloy of
Oxide of which of the following will turn red litmus blue?
The tenth element in the Newland's periodic classification resembles the
_____ is the major component of natural gas.
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