Chemistry One liner Question and Answers
chemistry One liner Question and Answers
128.
What are the atoms of the elements which have same number of neutrons called?
129.
What happens to the level of mercury in the barometer tube when it is taken down a coal mine?
132.
By which can the location and energy of an electron in an atom be specified?
134.
Mixture of which pair of gases is the cause of occurrence of most of the explosions in mines?
135.
Rainwater collected after 30 to 40 minutes of raining is not suitable for drinking why?
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