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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.
Q. Describe properties and uses of different silicate glasses and also discuss the importance of annealing in the manufacture of glass.
how to make
In which one of the following pairs of experimental observations and phenomenon does the experimental observation correctly account for phenomenon: (1) X-ray spectra
Q. Illustrate Law of Conservation of Mass? Ans: Conservation of Mass and Atoms: The Law of Conservation of Mass states that mass is neither created nor destroyed. Th
Nature of metal carbon bond
Which of the following is an incorrect representation for a neutral atom: 108/47Ag 63/30Cu 30/15P 13/6C 6/3Li
4-methyl 2- hexyne
what is hydrogen?
Maximum number of electrons present in N shell is: (1) 18 (2) 32 (3) 2 (4) 8 Ans: 32
K c is the equilibrium constants when the concentrations are expressed in moles/litre K c = Product of concentrate ions of products / product of concentrate ions of reactants
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