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1st code = 3rd letter of that word from the right end. 2nd code = 4th letter of that word from the left end. 3rd code = 1st letter of that word from the right end. 4th code = 2nd letter of that word from the left end.
Manganite is an ore/mineral of
Formation of ozone hole is maximum over
The gas usually causing explosions in coal mines is-
Bronze is an alloy of-
The most reactive among the halogens is-
The noble gas used in radiotherapy is
Which of the following is a physical change?
_________is the process in which acids and bases react to form salts and water.
Milk tastes sour when kept in the open for sometimes due to the formation of-
The noble gas used in radiotherapy is