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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.
why YbS and YbI2 are semiconducting solids but LaS and LaI2 show metallic character..
Q. Show Occurrence Extraction of group 16? Oxygen is the most abundant of all elements on earth. Dry air contains 20.946% oxygen by volume in the free form. Oxygen forms about
why mercury been liquid?
Classification of proteins - Fibrous proteins These are composed of polypeptide chains which run parallel to the axis and are held together by a strong hydrogen and disulphide
For sodium atom the number of electrons with m=0 will be: (1) 2 (2) 27 (3) 9 (4) 8 Ans: 7
Assume that we want to make buffer by dissolving in water some amount of the compound which we selected by the table as given below; After that adding either strong acid (f
a small 0.600ml bubble forms at the bottom of a lake where the temperature is 4.0 degrees Celsius and the pressure is 2.40 atm. What volume will the bubble occupy near the surface
0.265g of an organic compound produced on evaporation 102cm^3 of vapour at 373k and 775mmHg.percentage composition of the constituents elements are 92.24 % of carbon and 7.76% of h
alkali metals belong to s-block in the periodic table.why?
Define the Elements of a galvanic cell? We will treat a galvanic cell as a system. The cell has two metal wires called terminals that pass through the system boundary. Within t
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