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Q. What are Changes in Matter?
Matter is able to undergo two fundamental kinds of changes. Changes that don't alter the composition of matter are called physical changes. State changes in that matter changes from one phase (or state) to another are common examples of physical changes. The temperatures at that the phase changes of boiling and melting take place are important physical properties of substances.
Q. Why we use Boron? Boron is used to increase the hardness of steels. Crystalline boron is used in transistors. Boron is a good neutron absorber and is used as shields and con
type of electrode?
maximum no of unpaired electrons a)mn2+ b)ti3+ c)v3+ d)fe2+
Classify phylum protozoa upto classes giving characters and suitable examples.
Product Optimization Sensory analysis during this phase of product development is critical and includes extensive evaluation with many kinds of tests, each playing a specific
Sedatives: Sedatives act as depressant and suppress the activities of central nervous scheme. They are offered to patients who are mentally violent and agitated. Sedatives offe
explain Fischer diagram
why phosphene acts as ligand?
A township of 25,000 inhabitants is to discharge treated domestic sewage to the neighboring stream which has a least flow of 0.25 m3/s and a 5-day BOD of 3 mg/L. Water consumption
sulphuric acid can be made with concentration of 99%. However for different industrial process different concentration are used. For a specific industrial requirement, 62% H2SO4 is
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