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Q. What is conclusion in the experiment?
A conclusion is a judgment based on the data acquired in the experiment. If data support a hypothesis then the hypothesis is tentatively affirmed. Hypotheses are never proven that they are always subject to additional research. If additional data don't support a hypothesis the hypothesis is discarded or modified. Most hypotheses aren't supported by data. Whether the hypothesis is sustain or not the data collected may still be useful. Over time data from several experiments can be used to form a verbal, visual and/or mathematical explanation- called a model-of the phenomenon being studied.
PERIODIC TABLE and PERIODICITY OF ELEMENT
With which of the given pairs CO 2 resembles: (1) HgCl 2 , C2H 2 (2) HgCl 2 , SnCl 4 (3) C 2 H 2 , NO 2 (4) N 2 O and NO 2
Q. What do you mean by Rounding off numbers? Rounding off numbers while you report a calculation your answer should have no more significant figures than the piece of data yo
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Compounds with similar molecular formula but different properties are known as Isomers and the phenomenon is known as Isomerism.
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