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Q. What do you mean by Scientific Methods?
A scientific method is a systematic approach utilized to answer a question or study a situation. It is both an organized manner for scientists to do research and a way for scientists to verify the work of other scientists. A usual scientific method includes forming a hypothesis, performing an experiment, making observations and arriving at a conclusion.
Scientific study typically begins with observations. Frequently a scientist will begin with qualitative data-information that describes odour, shape, colour or some other physical characteristic that relates to the five senses. Chemists as well use quantitative data. This kind of data is numerical. It tells how little, how much, how big or how fast.
question..in which the molality is used? units of molality
Q. Describe Structure of Solids? Ans. Solids are different from gases and liquids because they have a fixed shape. This definite shape occurs as the individual particles w
Which processes is used to harden a steel? Quenching process is used to harden the steel
dehydration of alcohol with mechanism
(a) Discuss, with the aid of diagrams, and with suitable examples, the chemistry (including half-cell reactions), construction and principles of the following electrode types: (
#sulphuric acid can be made with concentration of 99%.however for diferent industrial requirement ,62% h2so4 is used which has density of 1.55 g/ml.calculate the molarity,molality
Ionization energy of group: Why does Ionization energy of group IIA elements decrease from Be to Ra? A. As the atomic size increases from Be to Ra, the attraction between
Mention the major reason for the anomalous behaviour of lithium in Group of the periodic table. Why is the third ionization energy of manganese (At. No. =25) unexpectedly high?
Between a proton and electron in a hydrogen atom = 3.16 x 10 47 A 0
Ask question the density of 2 molal aqueous solution of NaOH is 1.1.gram/litre. Calculate the molality of solution?
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