Difference between an Atom and an Ion ?
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however ozone is havier than oxygen still ozone is up there in sky why?
Explain the Hard and Soft water ?
What is the composition of air ?
Explain about Atomic Weight ?
Why dies thermos flask keep a hot liquid hot and a cold liquid cold ?
1 Answers College School Exams Tests,
Define what is oxidation and reduction reaction?
Why white clothe are preferred to dark ones in summer ?
What are the factors that affect the viscosity of a liquid?
what is the formula of petrol
Explain the Fuel gases ?
Mention the different types of conductivities.
if this element X combines with another element Y whose electronic configuration is 2, 8, 7 what will be the formula of the compound thus formed? State how did you arrive at this formula