Chemistry One liner Question and Answers

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chemistry One liner Question and Answerschemistry One liner Question and Answers

121.
By which a mixture of naphthalene and benzoic acid can be separated?


122.
By which Carbon and hydrogen are estimated in organic compounds?


123.
Which isotope of uranium capable of sustaining chain reactions?


124.
Which is natural source of gamma-rays?


125.
Which is the substance which can act both as an acid and a base?


126.
Where is the Smog is likely to occur?


127.
Which property of the elements is a whole number?


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?


130.
Which metal is extracted by electrolytic reaction method?


131.
Which is the basis of modern periodic table?


132.
By which can the location and energy of an electron in an atom be specified?


133.
Which is also called Stranger Gas?


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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