Questions › Category: ScienceFilter:AllOpenResolvedClosedUnansweredSort byViewsAnswersVotesThe method that cannot be used for removing permanent hardness of water isOpenVideRime asked 5 years ago • Science305 views0 answers0 votesThe mass number of a nucleus isOpenVideRime asked 5 years ago • Science272 views0 answers0 votesThe number of water molecules present in a drop of water (volume 0.0018 ml) at room temperature isOpenVideRime asked 5 years ago • Science459 views0 answers0 votesThe heat energy produced when the human body metabolises 1 gram of fat isOpenVideRime asked 5 years ago • Science377 views0 answers0 votesThe Latin word ‘Formica’ means ant. The name formic acid is derived from this Latin word becauseOpenVideRime asked 5 years ago • Science386 views0 answers0 votesThe heat required to raise the temperature of body by 1 K is calledOpenVideRime asked 5 years ago • Science259 views0 answers0 votesThe oldest rocks in the earth’s crust were once molten, and came from deep inside the earth. The molten rock, called magma, spewed out in volcanic eruptions during the earth’s early life and solidified into hard rock’s calledOpenVideRime asked 5 years ago • Science483 views0 answers0 votesWhich of the following diffuses most quickly?OpenVideRime asked 5 years ago • Science268 views0 answers0 votesO2 released in the process of photosynthesis comes fromOpenVideRime asked 5 years ago • Science271 views0 answers0 votesRDX isOpenVideRime asked 5 years ago • Science464 views0 answers0 votes
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