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Describe the following electrochemical methods in terms of their working principles instrumentation and applications i. Potentiometry ii. polarography iii. Conductometry
The number of unpaired electrons in a chromic ion Cr 3+ (atomic number = 24) is: (1) 6 (2) 4 (3) 3 (4) 1 Ans: 3
general physical properties of p block elements chemmical
Q. Chemical Properties of group16? Oxygen is slightly less reactive than the halogens but reacts directly with nearly all the elements except the noble gases, the halogens and
There are 13 electrons in an element whose nucleus comprise 14 neutrons. Obtain atomic number and atomic weight of this element. If atomic weight of the isotope of above element is
.how decompose water to form in heat
Q. Show the basic Characteristics of Organic Compounds? Ans. Almost all organic compounds contain the elements of hydrogen and carbon. These compounds often contain
What are laws of crystallography?How it helps us in the study of crystal structure
Classification of polymers - Synthetic polymers The polymers that are prepared in the laboratories are known as synthetic polymers. These are as well described as manmade polym
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
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