Which among the following has highest electron affinity?
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___________ gases absorb long wave (infrared) radiation from the earth and emit it again towards the earth.
______ bond holds the atoms together within a water molecule.
When large quantities of ___ are consumed, it tends to slow metabolic processes and to depress the central nervous system.
Which among the following is not a characteristic of oxidation reaction?
The nitrogenous waste of Human Beings is
Who formulated ‘the atomic theory’ of a matter?
What is the common name of the solution of calcium hydroxide?
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